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Worksheets

Standard SPS6 Mid-Term Review

Total questions: 191

Worksheet time: 1hrs 4mins

Name
Class
Date
1.

The substance doing the dissolving

a)

solute

b)

solvent

c)

solution

d)

solubility

2.

The substance that dissolves in a solution

a)

solvent

b)

solution

c)

solute

d)

solubility curve

3.

when the solution can hold no more solute

a)

saturated

b)

unsaturated

c)

super saturated

d)

solubility

4.

This is a physical combination of one substance dissolved in another (lemonade)

a)

solvent

b)

solute

c)

solubility

d)

solution

5.

Which scenario would dissolve the fastest.

a)

sugar cubes in cold water

b)

powdered sugar in hot water

c)

sugar cubes in hot water

d)

powdered sugar in cold water.

6.

select the statements that are true

a)

stirring will make a substance dissolve slower

b)

grinding up a substance will make it dissolve faster

c)

heating up a substance will make it dissolve faster

d)

grinding slows down the rate at which something can dissolve because it gives it more surface area

7.

all but one effect the rate at which something dissolves

a)

agitation

b)

temperature

c)

pressure

d)

surface area

8.

Which of these would be classified as agitation

a)

turning up the temperature

b)

stirring

c)

grinding the substance up

d)

melting the substance

9.

if 40g of KBr were added to a 100g of water at 20 degrees Celsius the solution would be...

a)

supersaturated

b)

unsaturated

c)

saturated

d)

complete solution

10.

if 150g of NaClO3 were added to a 100g of water at 60 degrees Celsius the solution would be...

a)

saturated

b)

supersaturated

c)

unsaturated

d)

over saturated

11.

if 60g of KNO3 were added to a 100g of water at 20 degrees Celsius the solution would be...

a)

over saturated

b)

supersaturated

c)

saturated

d)

unsaturated

12.

if 40g of KBr were added to a 100g of water at 80 degrees Celsius the solution would be...

a)

unsaturated

b)

over saturated

c)

supersaturated

d)

saturated

13.

if the pH level is between 1 and 6 it is

a)

basic

b)

acidic

c)

neutral

d)

soluble

14.

if the pH level is between 8 and 14 it is

a)

acidic

b)

soluble

c)

basic

d)

neutral

15.

if the pH level is 7 it is

a)

basic

b)

acidic

c)

soluble

d)

neutral

16.

if red litmus paper turns blue when placed in a substance what is the pH

a)

acidic

b)

neutral

c)

basic

d)

soluble

17.

Which household item would be the strongest base

a)

drain cleaner

b)

milk

c)

water

d)

bleach

18.

Which household item would be the strongest acid

a)

coffee

b)

blood

c)

battery acid

d)

lemon

19.

If baking soda has a pH of 9 it would be

a)

basic

b)

acidic

c)

neutral

d)

soluble

20.

what would water be on the pH scale

a)

acidic

b)

basic

c)

soluble

d)

neutral

21.

The substance doing the dissolving

a)

solute

b)

solvent

c)

solution

d)

solubility

22.

The substance that dissolves in a solution

a)

solvent

b)

solution

c)

solute

d)

solubility curve

23.

when the solution can hold no more solute

a)

saturated

b)

unsaturated

c)

super saturated

d)

solubility

24.

This is a physical combination of one substance dissolved in another (lemonade)

a)

solvent

b)

solute

c)

solubility

d)

solution

25.

Which scenario would dissolve the fastest.

a)

sugar cubes in cold water

b)

powdered sugar in hot water

c)

sugar cubes in hot water

d)

powdered sugar in cold water.

26.

select the statements that are true

a)

stirring will make a substance dissolve slower

b)

grinding up a substance will make it dissolve faster

c)

heating up a substance will make it dissolve faster

d)

grinding slows down the rate at which something can dissolve because it gives it more surface area

27.

all but one effect the rate at which something dissolves

a)

agitation

b)

temperature

c)

pressure

d)

surface area

28.

Which of these would be classified as agitation

a)

turning up the temperature

b)

stirring

c)

grinding the substance up

d)

melting the substance

29.

if 40g of KBr were added to a 100g of water at 20 degrees Celsius the solution would be...

a)

supersaturated

b)

unsaturated

c)

saturated

d)

complete solution

30.

if 158g of NaClO3 were added to a 100g of water at 60 degrees Celsius the solution would be..

a)

saturated

b)

supersaturated

c)

unsaturated

d)

over saturated

31.

if 60g of KNO3 were added to a 100g of water at 20 degrees Celsius the solution would be...

a)

over saturated

b)

supersaturated

c)

saturated

d)

unsaturated

32.

if 40g of NaCl were added to 100g of water at 80 degrees Celsius, the solution would be...

a)

unsaturated

b)

over saturated

c)

supersaturated

d)

saturated

33.

if the pH level is between 1 and 6 it is

a)

basic

b)

acidic

c)

neutral

d)

soluble

34.

if the pH level is between 8 and 14 it is

a)

acidic

b)

soluble

c)

basic

d)

neutral

35.

if the pH level is 7 it is

a)

basic

b)

acidic

c)

soluble

d)

neutral

36.

if red litmus paper turns blue when placed in a substance what is the pH

a)

acidic

b)

neutral

c)

basic

d)

soluble

37.

Which household item would be the strongest base

a)

drain cleaner

b)

milk

c)

water

d)

bleach

38.

Which household item would be the strongest acid

a)

coffee

b)

blood

c)

battery acid

d)

lemon

39.

If baking soda has a pH of 9 it would be

a)

basic

b)

acidic

c)

neutral

d)

soluble

40.

what would water be on the pH scale

a)

acidic

b)

basic

c)

soluble

d)

neutral

41.

Which solution will have the highest conductivity?

a)

The acetic acid solution will have the highest conductivity because acids release H+ ions that will conduct electricity.

b)

The ethanol will have the highest conductivity because ethanol is a molecular compound, so the molecules will conduct electricity.

c)

The acetic acid and KCl solutions will have similar conductivity because they both contain ions that will conduct electricity.

d)

The KCl Solution will have the highest conductivity because KCl is an ionic solute that is completely dissociated to form ions in solution.

42.

How does surface area affect the rate at which solutes dissolve in a specific solvent?

a)

Larger surface area increases the rate

b)

Smaller surface area increases the rate

c)

Surface area has no effect

d)

Surface area decreases the rate

43.

How does agitation affect the rate at which solutes dissolve in a specific solvent?

a)

Agitation decreases the rate

b)

Agitation increases the rate

c)

Agitation causes separation

d)

Agitation has no effect

44.

After spilling battery acid in your garage, you need to neutralize it with a strong base.

Which of the following substances would be the BEST base to use and why? 

a)

baking soda, pH = 9; because the lower pH value indicates a stronger base

b)

drain cleaner, pH = 13; because the higher pH value indicates a stronger base

c)

milk, pH = 6; because the lower pH value indicates a stronger base

d)

soda, pH = 2; because the lower pH value indicates a stronger base

45.
A solution has a pH of 7.0.  What would happen to the pH if H ions were added?
a)
pH would go up
b)
pH would go down
c)
pH would stay the same
d)
None of these
46.

Which of the following statements is true concerning acids and bases?

a)

acids and bases don't react with each other

b)

acids mixed with bases neutralize each other

c)

acids mixed with bases make stronger bases

d)

acids mixed with bases make stronger acids

47.

Which term describes the substance that is being dissolved in a solution?

a)

Solute

b)

Solvent

c)

Conductivity

d)

Concentration

48.

Distilled water has an equal concentration of acid and base making it neutral.

If 150 g of sucrose are stirred in 100 mL of water at 20°C, what kind of solution will be formed?  

a)

Unsaturated

b)

undissolved

c)

Saturated

d)

Saturated with undissolved sucrose 

49.

What property of a solution determines its ability to conduct electricity?

a)

Solute

b)

Solvent

c)

Conductivity

d)

Concentration

50.

Which term describes the amount of solute present in a given amount of solvent?

a)

Solvent

b)

Concentration

c)

Solute

d)

Conductivity

51.

Which solution will have the highest conductivity?

a)

The acetic acid solution will have the highest conductivity because acids release H+ ions that will conduct electricity.

b)

The ethanol will have the highest conductivity because ethanol is a molecular compound, so the molecules will conduct electricity.

c)

The acetic acid and KCl solutions will have similar conductivity because they both contain ions that will conduct electricity.

d)

The KCl Solution will have the highest conductivity because KCl is an ionic solute that is completely dissociated to form ions in solution.

52.

This picture represents a supersaturated solution of sodium acetate. After the sodium acetate stops forming crystals, what is the remaining liquid?

a)

The remaining liquid is a supersaturated solution of sodium acetate in water.

b)

The remaining liquid will be a saturated solution of sodium acetate in water.

c)

The remaining liquid is an unsaturated solution of sodium acetate in water.

d)

The remaining liquid contains only water because the sodium acetate formed crystals.

53.

How does temperature affect the rate at which solutes dissolve in a specific solvent?

a)

Temperature decreases the rate

b)

Higher temperature increases the rate

c)

Lower temperature increases the rate

d)

Temperature has no effect

54.

How does surface area affect the rate at which solutes dissolve in a specific solvent?

a)

Larger surface area increases the rate

b)

Smaller surface area increases the rate

c)

Surface area has no effect

d)

Surface area decreases the rate

55.

How does agitation affect the rate at which solutes dissolve in a specific solvent?

a)

Agitation decreases the rate

b)

Agitation increases the rate

c)

Agitation causes separation

d)

Agitation has no effect

56.

You are trying to increase the rate at which you can dissolve a large amount of sodium chloride into water to make a solution to use in lab.

Which of the following would be the BEST method of doing this?

a)

heat the water and use small pieces of sodium chloride

b)

heat the water and use a large piece of sodium chloride

c)

stir and heat the mixture and use small pieces of sodium chloride

d)

stir and heat the mixture and use a large piece of sodium chloride

57.

Boiling points for ionic compounds are higher than boiling points for some covalent compounds and lower for other covalent compounds.Which of the following could James do next time to help prevent this from happening and why?

a)

Wash the clothes in colder water, because lowering the temperature of the solvent increases the rate at which solutes dissolve.

b)

Wash the clothes in colder water, because lowering the temperature of the solvent decreases the rate at which solutes dissolve.

c)

Wash the clothes in hotter water, because raising the temperature of the solvent increases the rate at which solutes dissolve.

d)

Wash the clothes in hotter water, because raising the temperature of the solvent decreases the rate at which solutes dissolve.

58.

What does a solubility curve represent?

a)

The effect of temperature on solubility

b)

The effect of pressure on solubility

c)

The effect of concentration on solubility

d)

The effect of agitation on solubility

59.

How does temperature affect the solubility of most solid solutes?

a)

Temperature decreases solubility

b)

Temperature has no effect

c)

Higher temperature increases solubility

d)

Lower temperature increases solubility

60.

How does temperature affect the solubility of most gaseous solutes?

a)

Temperature decreases solubility

b)

Temperature has no effect

c)

Lower temperature increases solubility

d)

Higher temperature increases solubility

61.

Which of the following solutes has the greatest overall increase in solubility as the temperature of the water is increased?

a)

Ba(NO3)2

b)

Ce2(SO4)

c)

Na2HAsO4

d)

NaCl

62.

40 g of which substance is saturated in 100 g of water at a temperature of 500C?

a)

KCl

b)

NaCl

c)

KNO3

d)

NH4Cl

63.

What ion is present in acids?

a)

H+

b)

OH-

c)

Na+

d)

Cl-

64.

What ion is present in bases?

a)

Cl-

b)

Na+

c)

OH-

d)

H+

65.

A group of students are going to conduct an investigation to determine if different chemicals are acids or bases using litmus paper as an indicator. The students know the vinegar changes blue litmus red and bleach changes red litmus blue.

Which table accurately predicts the color change of litmus paper and identifies the compound as an acid or a base?

a)

b)

c)

d)

66.

Since HCl (hydrochloric acid) is a gas, scientists have to bubble it through water to make a solution. As it bubbles through, HCl dissociates according to the formula:  HCl à H+ + Cl-.

Which of the following statements accurately explains what will happen if a student places Litmus paper in this solution?

a)

The Litmus paper will turn red because the solution has more H+ ions than OH– ions, and its pH is low.

b)

The Litmus paper will turn red because the solution has more OH– ions than H+ ions, and its pH is high.

c)

The Litmus paper will turn blue because the solution has more OH- ions than Cl– ions, and its pH is high.

d)

The Litmus paper will not change color because the solution has an equal amount of H+ ions and Cl– ions, and its pH is neutral.

67.

How can common household substances be classified as acidic, basic, or neutral?

a)

By testing their conductivity

b)

By using pH indicators

c)

By measuring their temperature

d)

By observing their color

68.

Many substances commonly found in the home can be classified as acids or bases based on the pH of aqueous (water-based) solutions. The following table lists several household chemicals and their pH.

Using the information in the table, which of the statements is TRUE?

a)

Liquid drain cleaner has a higher concentration of hydroxide ions, so it is an acid.

b)

Distilled white vinegar has a higher concentration of hydroxide ions, so it is a base.

c)

Black coffee has an equal concentration of acid and base making it neutral.

d)

Distilled water has an equal concentration of acid and base making it neutral.

69.

Marina is presented with information about acids and bases from two different sources. Which THREE predictions can Marina make based on this information?

a)

A solution of HI and water will turn blue litmus paper red.

b)


A solution of HCl and water will turn blue litmus paper red.

c)

A solution of H2S and water will turn red litmus paper blue.

d)

A solution of LiOH and water will turn red litmus paper blue.

e)

A solution of NaOH and water will turn blue litmus paper red.

70.

A group of students investigated household substances to determine which are acidic, basic, or neutral. Which partial data table correctly classifies the substances?

a)

b)

c)

d)

71.

After spilling battery acid in your garage, you need to neutralize it with a strong base.

Which of the following substances would be the BEST base to use and why? 

a)

baking soda, pH = 9; because the lower pH value indicates a stronger base

b)

drain cleaner, pH = 13; because the higher pH value indicates a stronger base

c)

milk, pH = 6; because the lower pH value indicates a stronger base

d)

soda, pH = 2; because the lower pH value indicates a stronger base

72.

Process in which an ionic compound separates into its positive and negative ions

a)

Dissociation

b)

Saturated solution

c)

Solubility

d)

Solution

73.

Any solution that contains all the solute it can hold at a given temperature

a)

Dissociation

b)

Saturated solution

c)

Solubility

d)

Solution

74.

Maximum amount of a solute that can be dissolved in a given amount of solvent at a given temperature

a)

Dissociation

b)

Saturated solution

c)

Solubility

d)

Solution

75.

Homogeneous mixture that remains constantly and uniformly mixed and has particles that are so small they cannot be seen with a microscope

a)

Dissociation

b)

Saturated solution

c)

Solubility

d)

Solution

76.

In a solution, the substance being dissolved

a)

Solute

b)

solvent

c)

Supersaturated solution

d)

Unsaturated solution

77.

In a solution, the substance in which the solute is dissolved

a)

Solute

b)

solvent

c)

Supersaturated solution

d)

Unsaturated solution

78.

Any solution that contains more solute than a saturated solution at the same temperature

a)

Solute

b)

solvent

c)

Supersaturated solution

d)

Unsaturated solution

79.

Any solution that can dissolve more solute at a given temperature

a)

Solute

b)

solvent

c)

Supersaturated solution

d)

Unsaturated solution

80.

compound that forms hydrogen ions (H+) in solution

a)

acid

b)

base

c)

strong base

d)

indicator

81.

a base that completely dissociates into metal ions and hydroxide ions in aqueous solution

a)

acid

b)

base

c)

strong base

d)

indicator

82.

a compound that produces hydroxide ions in solution

a)

acid

b)

base

c)

strong base

d)

indicator

83.

A compound that changes color in the presence of an acid or a base

a)

acid

b)

base

c)

strong base

d)

indicator

84.

A base that does not dissociate completely into ions in solution.

a)

Neutralization

b)

strong acid

c)

weak acid

d)

weak base

85.

A reaction of an acid with a base, yielding a solution that is not as acidic or basic as the starting solutions were.

a)

Neutralization

b)

strong acid

c)

weak acid

d)

weak base

86.

an acid that ionizes completely in aqueous solution

a)

Neutralization

b)

strong acid

c)

weak acid

d)

weak base

87.

an acid that is only slightly ionized in aqueous solution

a)

Neutralization

b)

strong acid

c)

weak acid

d)

weak base

88.

the scale used to specify how acidic or basic a water-based solution is

a)

Neutralization

b)

pH

c)

weak acid

d)

weak base

89.

If a mixture is NOT uniform throughout, it is ______________.

a)

heterogeneous

b)

homozygous

c)

homogeneous

d)

a compound

90.
What is a substance that is dissolved in another substance? 
a)
solution
b)
solute
c)
solvent
d)
compound
91.
In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?

a)
stir the powder in the liquid
b)
freeze the mixture
c)
add more powder to the liquid
d)
store the mixture in a dark place
92.
What does it mean to dilute a solution?
a)
lower the concentration of solute per solvent
b)
increase the concentration of solute per solvent
93.
What types of ions do acids produce in water?
a)
Hydroxide
b)
Hydrogen
94.
On the pH scale what number is the most acidic
a)
14
b)
0
c)
1
d)
7
95.
Water is considered the universal solvent because...
a)
it dissolves to many solutes.
b)
the Earth is mostly made of it.
c)
humans are mostly comprised of it.
d)
it's so useful.
96.
How does a solution become supersaturated?
a)
dissolve lots of solute in it.
b)
dissolve a little solute in it. 
c)
dissolve more solute than you should be able to. 
d)
dissolve a super amount of solvent in it. 
97.
Solubility is a ________ property. 
a)
neat 
b)
chemical 
c)
physical 
d)
an organic 
98.
A solution is a ________ mixture. 
a)
heterogeneous 
b)
homogeneous 
c)
dumb 
d)
mixed 
99.
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K2Cr2O7?
a)
60 ºC
b)
30 ºC
c)
50 ºC
d)
83 ºC
100.
How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?
a)
83 grams
b)
75 grams
c)
40 grams
d)
12 grams
101.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
102.
Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
a)
Acids; pH less than 7
b)
Acids; pH greater than 7
c)
Bases; pH greater than 7
d)
Bases; pH less than 7
103.
The esophagus is the tube that connects the mouth to the stomach. Heartburn occurs when some of the stomach juices flow backwards up the esophagus. To help relieve heartburn, a person should take medicine that is
a)
neutral
b)
basic
c)

acidic or basic.
d)
acidic
104.
If an acid is combined with a base of equal strength, the result will most likely be
a)
a neutral solution.
b)
a stronger acid.
c)
impossible to tell without testing the pH.
d)
a stronger base
105.
Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of blue litmus paper into the substance, and the litmus paper stays blue.
The substance in the beaker
a)
is a base.
b)
has a neutral pH.
c)
is an acid.
d)
does not have a pH.
106.
Litmus paper can be used to determine the _______ of a substance.
a)
relative volume
b)
temperature
c)
relative pH
d)
chemical formula
107.
Which of the following statements is correct?
a)
Blue litmus paper turns red when placed in a base.
b)
Red litmus paper turns blue when placed in a base.
c)
Blue litmus paper stays blue when placed in an acid.
d)
Red litmus paper stays red when placed in a base.
108.
Carrie's teacher hands out test tubes filled with different chemicals and tells the students to identify their liquid as an acid, base, or neutral chemical. Carrie's test tube contains a clear chemical. She adds phenolpthalein to her test tube and gently moves the tube from side to side. A few moments later, the chemical in the test tube turns bright pink.
What type of chemical does Carrie have?
a)
Carrie has a neutral chemical.
b)
Carrie has an acidic chemical.
c)
Carrie has a basic chemical.
d)
The type of chemical Carrie has cannot be determined.
109.
 Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
110.
The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?
a)
3
b)
9
c)
7
d)
5
111.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
112.
When using pH paper, the pH of a solution can be determined by looking at the _______ of the paper.
a)
texture
b)
color
c)
length
d)
mass
113.
What would be considered the weakest base? 
a)
8
b)
14
c)
7.8
d)
11.6
114.
Many cleaning solutions are bases. Which of the following is a property of most bases?
a)
feels slippery
b)
white color
c)
can only be liquid
d)
tastes sour
115.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
116.
Ammonia has a pH of 12.  Ammonia is __________.
a)
an acid
b)
a base
c)
an element
d)
a metal
117.
Soap is a weak base.  What is true about the taste of bases?
a)
they taste sour
b)
they taste sweet
c)
they taste bitter
d)
they taste salty
118.
Which of these solutions is an acid?
a)
Dish Soap: pH of 12
b)
Tomato Soup: pH of 4
c)
Baking Soda: pH of 9
d)
Drain Cleaner: pH of 14
119.
What does the pH scale measure?
a)
the concentration of acids and bases
b)
the malleability of a metal
c)
the temperature of the water in a swimming pool
d)
the amount of phosphorus in a compound
120.
The pH of vinegar is 2.5.  Vinegar is a _____________.
a)
strong acid
b)
strong base
c)
weak base
d)
weak acid
121.
Which of the following is true about acids and bases?
a)
The lower the pH, the stronger the acid
b)
the higher the pH, the stronger the acid
c)
The lower the pH, the more neutral the acid
d)
The higher the pH, the weaker the base
122.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
123.
Which statement is true when acids and bases are mixed together?
a)
acids become stronger
b)
bases become stronger
c)
there is no change
d)
they neutralize each other
124.
Ranging from 0 to 14, a pH value indicates how acidic or basic a solution is.  Which of these pH values would be a strong acid?
a)
2
b)
6
c)
9
d)
13
125.
What is the pH of water?
a)
0
b)
4
c)
7
d)
14
126.
Williams collected a rain sample and measured its pH to be 5.6.  What does this mean?
a)
the rain water is a weak base
b)
the rain water is neutral
c)
the rain water is a strong acid
d)
the rain water is a weak acid
127.
What does a pH of 1 indicate about a liquid?
a)
it is a very strong base
b)
it is a weak base 
c)
it is a weak acid
d)
it is a strong acid
128.
What is the pH of a neutral substance?
a)
0
b)
5
c)
7
d)
10
129.
Which of these pH values would indicate that a solution is a weak base?
a)
4
b)
5.6
c)
8
d)
13
130.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
hydrogen ions
d)
hydroxide ions
131.
A solution containing more solute than a saturated solution at a given temperature is ____.
a)
unsaturated
b)
saturated
c)
supersaturated
132.
A solution containing all the solute it can hold at a given temperature is ____.
a)
unsaturated
b)
saturated
c)
supersaturated
133.
A solution that can dissolve more solute at a given temperature is ____.
a)
unsaturated
b)
saturated
c)
supersaturated
134.
The amount of solute actually dissolved in the solvent measures the ____. 
a)
concentration
b)
strength
c)
solubility
135.
The maximum amount of solute dissolved in a solvent at a given temperature measures the ____.
a)
concentration
b)
strenght
c)
solubility
136.
in a solution, the substance being dissolved
a)
solute
b)
solvent
137.
in a solution, the substance in which the solute is dissolved
a)
solute
b)
solvent
138.
a measure of the concentration of hydronium ions in a solution using a scale from 0-14
a)
pH
b)
HP
c)
Hydronium scale
139.
chemical reaction that occurs between an acid and base to produce water and a salt
a)
indicator
b)
neutralization
c)
concentration
d)
solubility
140.
organic compound that changes color in acids and bases
a)
neutralization
b)
pH
c)
solubility
d)
indicator
141.
a homogeneous mixture that remains constantly and uniformly mixed
a)
solution
b)
suspension
c)
colloid
142.
The substance being dissolved in a solution.
a)
sands
b)
solute
c)
solvent
d)
alloy
143.
The substance in which a solute is dissolved
a)
sands
b)
solvent
c)
alloy
d)
negative particles
144.
Solutions are composed of __________ .
a)
salts and solutes
b)
solvents and salts
c)
solutes and alloys
d)
solutes and solvents
145.
In a sample of salt water, NaCl would be considered the ______.
a)
Solution
b)
Solute
c)
Solvent
d)
Solvation
146.
If we are making Kool-aid with sugar, Kool-aid powder, and water, which part is the solvent?
a)
water
b)
powder
c)
sugar
d)
powder and sugar
147.
When materials combine to form a mixture, they
a)
A. keep their original properties.
b)
B. react to form a new substance with new properties.
c)
C. combine in a specific ratio.
d)
D. always change their physical state.
148.

Stirring the solution increases the rate of dissolution (rate of dissolving).

a)

True

b)

False

149.

The smaller the particle size the faster the rate of dissolution (rate of dissolving).

a)

True

b)

False

150.

Which will dissolve faster? Crushed table salt or a cube of table salt. Assume they have an equal mass.

a)

crushed table salt

b)

crystal of table salt

151.

What combination would dissolve a solid solute the fastest?

a)

high temperature, no stirring

b)

no heat, no stirring

c)

sugar cube, no heat

d)

high temperature, stirring

152.

Which of the following actions will NOT

increase the rate of dissolution

(dissolving) for solids?

a)

Stirring the solution

b)

Decreasing the temperature

c)

Increasing the surface area of the

solute

d)

Increasing the temperature

153.

How does cold water affect the speed of dissolving?

a)

Cold water slows down dissolving.

b)

Cold water speeds up dissolving.

c)

Cold water has no effect on dissolving.

d)

Cold water has no effect on dissolving.

154.

John has three cups of sugar particles. Cup 1 has large sugar particles, Cup 2 has medium-sized particles, and Cup 3 has small sugar particles. If John pours each cup in water, which cup of sugar particles will dissolve the fastest?

a)

Cup 1 will dissolve the fastest.

b)

Cup 2 will dissolve the fastest.

c)

Cup 3 will dissolve the fastest.

d)

They will dissolve at the same rate.

155.

A soft drink that is more concentration is _____ in color and _______ in taste

a)

lighter, stronger

b)

darker, weaker

c)

lighter, weaker

d)

darker, stronger

156.

Which pitcher is the most diluted?

a)

100 mL water

125 g of mix

b)

100 mL water

100 g of mix

c)

100 mL water

50g of mix

d)

100 mL water

25g of mix

157.
This solution would be considered
a)
Unsaturated
b)
Supersaturated
c)
Saturated
d)
Undefined
158.
What is a substance that is dissolved in another substance? 
a)
solution
b)
solute
c)
solvent
d)
compound
159.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
160.
This is the part of a solution that dissolves
a)
Solute
b)
Solvent
c)
Solution
d)
Mixture 
161.
salt water is a 
a)
compound
b)
element
c)
heterogeneous mixture
d)
solution
162.
Another name for a homogeneous mixture is 
a)
an element.
b)
a solution.
c)
a compound.
163.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
164.
Which is an example of a solution?
a)
Chex Mix
b)
Mixed fruit
c)
Juice
d)
milk and cereal
165.

Which is NOT a factor affecting Rate of Solution?

a)

Pressure

b)

Temperature

c)

Agitation

d)

Particle Size

166.

You are given a small beaker of solution at room temp. You add a bit of solute to the solution and it dissolves. The solution was:

a)

saturated

b)

unsaturated

c)

concentrated

d)

warm

167.

To separate a solution, you can ________________ it.

a)

filter

b)

evaporate

c)

solute

d)

saturate

168.
What type of solution will conduct electricity
a)
Ionic compound
b)
Molecular compound
c)
Sugar solution
d)
Saturated solution
169.

What is this image representing?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

Insoluble

170.
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K2Cr2O7?
a)
60 ºC
b)
30 ºC
c)
50 ºC
d)
83 ºC
171.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
172.

How much Ce2(SO4)3 solute is saturated at 80 degrees?

a)

20

b)

15

c)

30

d)

2

173.

How much NaBr solute is saturated at 70 degrees?

a)

110

b)

120

c)

130

d)

140

174.

Neutral solutions have a pH of:

a)

0

b)

1

c)

7

d)

14

175.

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

176.

HCl is found in household products, including some toilet bowl cleaners. Is HCl an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

177.

Is laundry detergent an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

178.
Drain cleaner has a pH of 13. What is drain cleaner?
a)
An acid.
b)
A strong base.
c)
Neutral.
d)
A weak base.
179.
What are properties of a base?
a)
Slippery, bitter, does not react with metals, pH above 7.
b)
Slippery, bitter, reacts with metals, pH below 7.
c)
Sour, reacts with metals, pH below 7
d)
Sour, reacts with metals, pH above 7.
180.
Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
a)
Acids; pH less than 7
b)
Acids; pH greater than 7
c)
Bases; pH greater than 7
d)
Bases; pH less than 7
181.
Litmus paper can be used to determine the _______ of a substance.
a)
relative volume
b)
temperature
c)
relative pH
d)
chemical formula
182.
What is a substance that is dissolved in another substance? 
a)
solution
b)
solute
c)
solvent
d)
compound
183.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
184.
In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?

a)
stir the powder in the liquid
b)
freeze the mixture
c)
add more powder to the liquid
d)
store the mixture in a dark place
185.
Another name for a homogeneous mixture is 
a)
an element.
b)
a solution.
c)
a compound.
186.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
187.
Which of the following is not a way to increase the rate of dissolving
a)
evaporation
b)
stirring 
c)
increasing temperature
d)
using a smaller particle size
188.

A solution is made up of

a)

Solvent

b)

Solute

c)

Both solvent and solute

189.

when the solvent cannot dissolve any more solute

a)

supersaturated

b)

saturated

c)

volume

d)

mass

190.

capable of being dissolved

a)

saturated

b)

soluble

c)

volume

d)

mass

191.

when a solution contains more solute than it normally would at a given temperature or pressure

a)

supersaturated

b)

saturated

c)

density

d)

boiling point

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