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Honors Phys Sci - Solutions, Acids, and Bases Review

Total questions: 110

Worksheet time: 5hrs 4mins

Name
Class
Date
1.

Mia and Michael are making lemonade. They mix sugar into water, creating a physical combination where one substance is dissolved in another. What is this called?

a)

solvent

b)

solute

c)

solubility

d)

solution

2.

Lily, Rohan, and Abigail are having a contest to see who can dissolve sugar the fastest! Lily uses sugar cubes in cold water, Rohan uses powdered sugar in hot water, and Abigail tries sugar cubes in hot water. Who will win the contest by dissolving their sugar the fastest?

a)

Lily with sugar cubes in cold water

b)

Rohan with powdered sugar in hot water

c)

Abigail with sugar cubes in hot water

d)

Powdered sugar in cold water

3.

Rohan and Hannah are conducting a science experiment to see how quickly different substances dissolve. Can you help them by selecting the statements that are true about what affects the rate of dissolution?

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

4.

Charlotte, Hannah, and Henry are trying to dissolve sugar in water for their science experiment. Which of the following does NOT affect how quickly the sugar dissolves?

a)

agitation

b)

temperature

c)

pressure

d)

surface area

5.

Scarlett and Michael are working together in the science lab. They want to speed up the process of dissolving sugar in water. Which of these actions would be classified as agitation?

a)

turning up the temperature

b)

stirring

c)

grinding the substance up

d)

melting the substance

6.

Noah and Sophia are conducting a science experiment. They decide to add 40g of KBr to 100g of water at 20 degrees Celsius. What kind of solution do they create?

a)

supersaturated

b)

unsaturated

c)

saturated

d)

complete solution

7.

Samuel and Evelyn are conducting a science experiment! They decide to add 150g of NaClO3 to 100g of water at 60°C. What kind of solution do they create?

a)

saturated

b)

supersaturated

c)

unsaturated

d)

over saturated

8.

Michael and Mason are conducting a science experiment. They decide to add 150g of NaClO3 to 100g of water at 60°C. What kind of solution did they create?

a)

saturated

b)

supersaturated

c)

unsaturated

d)

over saturated

9.

Aria and Noah are conducting a science experiment! They decide to add 60g of KNO3 to 100g of water at 20°C. What kind of solution do they end up with?

a)

over saturated

b)

supersaturated

c)

saturated

d)

unsaturated

10.

Charlotte and Zoe are in the science lab, trying to impress Harper with their chemistry skills! They add 40g of KBr to 100g of water at 80 degrees Celsius. What kind of solution did they create?

a)

unsaturated

b)

over saturated

c)

supersaturated

d)

saturated

11.

Benjamin, Isla, and Lily are testing different liquids in science class using pH strips. If their pH readings are between 1 and 6, what type of solution have they found?

a)

basic

b)

acidic

c)

neutral

d)

soluble

12.

James, Evelyn, and Anika are testing different solutions in science class. If their solution has a pH level between 8 and 14, what type of solution have they discovered?

a)

acidic

b)

soluble

c)

basic

d)

neutral

13.

Ethan and Lily are testing the pH of water in science class. They discover the pH level is 7.0. Can you help them figure out what this means?

a)

basic

b)

acidic

c)

soluble

d)

neutral

14.

Michael and Liam are doing a science experiment! They dip a red litmus paper into a mysterious solution, and it magically turns blue. What does this tell them about the pH of the solution?

a)

acidic

b)

neutral

c)

basic

d)

soluble

15.

Maya, Aria, and Grace are having a contest to find the strongest base in their homes. Which household item would win as the strongest base?

a)

drain cleaner

b)

milk

c)

water

d)

bleach

16.

Kai, Noah, and Avery are having a contest to find the strongest acid in their kitchen! Which household item would win as the most powerful acid?

a)

coffee

b)

blood

c)

battery acid

d)

lemon

17.

Grace and William are baking cookies and discover that baking soda has a pH of 9. Can you help them figure out if baking soda is:

a)

basic

b)

acidic

c)

neutral

d)

soluble

18.

Lily is making lemonade and adds sugar to water. What term describes the sugar that is being dissolved in her solution?

a)

Solute

b)

Solvent

c)

Conductivity

d)

Concentration

19.

William and Harper are making lemonade. They want to know what term describes the amount of solute (like sugar) present in a given amount of solvent (like water). Can you help them out?

a)

Solvent

b)

Concentration

c)

Solute

d)

Conductivity

20.

Arjun, Aria, and Evelyn are having a science experiment to see which solution can light up a bulb the brightest! They have a sugar solution and a NaCl (salt) solution. Which solution will have the highest conductivity and help them win the experiment?

a)

Sugar solution, because sugar molecules dissociate into ions when dissolved in water.

b)

NaCl solution, because NaCl dissociates into ions, which allow the solution to conduct electricity.

c)

NaCl solution, because sugar solutions do not conduct electricity.

d)

Sugar solution, because sugar is a better conductor than NaCl.

21.

David, Lily, and Evelyn are watching a cool science experiment! In the picture, you see a flask with a supersaturated solution of sodium acetate. As they cheer, crystals start forming inside the flask. Once the sodium acetate stops forming crystals, what do you think is left in the flask for our curious trio?

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.

22.

Daniel and Anika are conducting an experiment to see how quickly sugar dissolves in water at different temperatures. What effect does temperature have on 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

23.

Henry and Abigail are racing to see who can dissolve sugar cubes in water the fastest. Henry crushes his sugar into tiny pieces, while Abigail keeps hers whole. Based on what you know, 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

24.

Aria and James are making lemonade. They notice that when they stir the sugar into the water, it dissolves faster. Based on their experiment, 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

25.

Sophia and James are curious about how different factors affect dissolving things in water. What does a solubility curve actually show them?

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

26.

Aria and Arjun are conducting a science experiment to see how temperature affects the solubility of solid solutes. If they heat up their solution, what do you think will happen to the solubility?

a)

Temperature decreases solubility

b)

Temperature has no effect

c)

Higher temperature increases solubility

d)

Lower temperature increases solubility

27.

Avery and Aiden are conducting a science experiment with fizzy soda. They notice that the soda loses its fizz faster when left out in the sun. Based on their observation, how does temperature affect the solubility of most gaseous solutes?

a)

Higher temperature decreases solubility

b)

Temperature has no effect

c)

Lower temperature increases solubility

d)

Higher temperature increases solubility

28.

Lily, Priya, and Grace are conducting a science experiment to see how the solubility of different salts changes as the temperature rises. Which salt do they discover has its solubility increase the most as the temperature goes up?

a)

Ba(NO3)2

b)

Ce2(SO4)

c)

Na2HAsO4

d)

NaCl

29.

Mia and Olivia are doing a science experiment and want to know: What ion is always present in acids?

a)

H+

b)

OH-

c)

Na+

d)

Cl-

30.

Aria and Harper are in a science quiz! They need your help: Which ion is always found in bases?

a)

Cl-

b)

Na+

c)

OH-

d)

H+

31.

Lily and Mia are in the science lab, and they’re excited to see what happens when they bubble HCl (hydrochloric acid) gas through water. As the gas dissolves, it dissociates according to the formula: HCl → H+ + Cl-.

Lily grabs some Litmus paper and wonders what will happen if she dips it into the solution. What should she expect to see?

a)

The Litmus paper will turn red because the solution has more H+ ions than OHions, 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.

32.

Liam, Lily, and Abigail are curious about the liquids in their kitchen. How can they figure out if these household substances are acidic, basic, or neutral?

a)

By testing their conductivity

b)

By using pH indicators

c)

By measuring their temperature

d)

By observing their color

33.

Grace, Daniel, and Avery are in the science lab, testing four mysterious solutions with red and blue litmus paper. Their results are shown below. Can you help them figure out what type each solution is?

A = _____

B = _____

C = _____

a)

A = Acid

B = Neutral

C = Base

b)

A = Base

B = Acid

C = Neutral

c)

A = Base

B = Base

C = Acid

d)

A = Acid

B = Base

C = Neutral

34.

Mason accidentally spills a strong acid in the science lab! What should Arjun and Evelyn use to safely neutralize it?

a)

Weak Base

b)

Strong Base

c)

Weak Acid

d)

More strong acid

35.

Ethan is mixing sugar into his lemonade. At what point does his solution become one where no more sugar can dissolve?

a)

saturated

b)

unsaturated

c)

super saturated

d)

solubility

36.

Ava and William are conducting a science experiment. They dissolve sugar in water and reach the point marked 'A' on the graph above. What type of solution have they created?

a)

Unsaturated

b)

Supersaturated

c)

Saturated

d)

Undefined

37.

Michael, Aria, and William are investigating solutions in their science class. They come across the graph below and notice point C. Can you help them out? Point C represents a(n) ___ solution.

a)

saturated

b)

supersaturated

c)

unsaturated

d)

undefined

38.

Elijah, Michael, and Abigail are making Kool-Aid together! They mix powder, sugar, and water
Can you help them identify the solvent in their tasty drink?

a)

water

b)

powder

c)

sugar

d)

powder and sugar

39.

Rohan, Emma, and Maya are making a party snack mix with pretzels, peanuts, and colorful candies. They can easily spot each ingredient in the bowl! What type of mixture have they created, where the substances are visibly distinguishable? 

a)

homogeneous

b)

heterogeneous

c)

solution

d)

colloid

40.

Hannah and Luna are in the science lab, testing different substances. They want to know which set of properties belongs to acids. Can you help them choose the correct answer?

a)

sour taste, corrosive, change litmus from red to blue

b)

sour taste, corrosive, change litmus from blue to red

c)

sweet taste, slippery, change litmus from blue to red

d)

sour taste, slippery, change litmus from blue to red

41.

William, Abigail, and Evelyn are having a picnic! They brought vinegar, fruit juice, and cola. Can you guess what type of substances these are?

a)

salts

b)

neutral substances

c)

bases

d)

acids

42.

Kai and Abigail are helping Benjamin clean up a messy kitchen, and they find a bottle labeled NaOH. They remember it's used in drain cleaners and soaps. Can you help them figure out: Is NaOH an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

43.

David, Arjun, and Samuel are having a science quiz! They want to know: The pH scale is a range from:

a)

1-7

b)

0-14

c)

1-5

d)

1-14

44.

Sophia and Elijah are in science class, and they discover a mysterious solution with a pH of 8.6. They wonder: is this solution an acid, a base, neutral, or somehow both? What do you think?

a)

Acid

b)

Base

c)

Neutral

d)

Acid and Base

45.

Aria and James are in a science quiz! They want to know: which ion gives acids their special properties?

a)

Sodium ion

b)

Hydrogen ion

c)

Hydroxide ion

d)

Oxide ion

46.

Samuel and Hannah are in a science quiz! They want to know: which ion is responsible for the properties of bases?

a)

Sodium ion

b)

Hydrogen ion

c)

Hydroxide ion

d)

Oxide ion

47.

Aria and Jackson are in science class, and their teacher hands them a mysterious liquid. They wonder: What does the pH scale help them discover about this liquid?

a)

Tells if a substance is an acid or base

b)

Measures the strength and weakness of acids and bases

c)

Both statements are correct

48.

Grace and Jackson are mixing up a science experiment in class. Can you help them figure out what solutions are composed of?

a)

salts and solutes

b)

solvents and salts

c)

solutes and alloys

d)

solutes and solvents

49.

Jackson and Maya are conducting a science experiment with salt water. In their mixture, NaCl would be considered the ______.

a)

Solution

b)

Solute

c)

Solvent

d)

Solvation

50.

Abigail and Noah are mixing different materials in their science class. 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.

51.

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

a)

True

b)

False

52.

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

a)

True

b)

False

53.

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

54.

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.

55.

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

56.

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

57.

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

a)

heterogeneous

b)

homozygous

c)

homogeneous

d)

a compound

58.
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
59.
What does it mean to dilute a solution?
a)
lower the concentration of solute per solvent
b)
increase the concentration of solute per solvent
60.
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. 
61.
Solubility is a ________ property. 
a)
neat 
b)
chemical 
c)
physical 
d)
an organic 
62.
A solution is a ________ mixture. 
a)
heterogeneous 
b)
homogeneous 
c)
dumb 
d)
mixed 
63.
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
64.
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
65.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
66.
Another name for a homogeneous mixture is 
a)
an element.
b)
a solution.
c)
a compound.
67.
Which is an example of a solution?
a)
Chex Mix
b)
Mixed fruit
c)
Juice
d)
milk and cereal
68.

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

69.

What type of solution will conduct electricity?

a)
Ionic compound
b)
Molecular compound
c)
Sugar solution
d)
Saturated solution
70.

What is this image representing?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

Insoluble

71.

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

a)

20

b)

15

c)

30

d)

2

72.

How much NaBr solute is saturated at 70 degrees?

a)

110

b)

120

c)

130

d)

140

73.

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)

74.

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)

75.

Is laundry detergent an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

76.
Drain cleaner has a pH of 13. What is drain cleaner?
a)
An acid.
b)
A strong base.
c)
Neutral.
d)
A weak base.
77.
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.
78.
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
79.
Litmus paper can be used to determine the _______ of a substance.
a)
relative volume
b)
temperature
c)
relative pH
d)
chemical formula
80.

When 42 grams of potassium chloride ( KCl), is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

a)

supersaturated

b)

saturated

c)

unsaturated

81.
Which of these solutes does not increase in solubility as temperature rises?
a)
NH3
b)
NaNO3
c)
KNO3
d)
NaCl
82.

Which solution is more concentrated?

Solution 1:

500 mL of water

100 g of salt


Solution 2:

500 mL of water

90 g of salt

a)

Solution 1

b)

Solution 2

c)

They have the same concentration

83.

Which solution is more diluted?

Solution 1:

1000 mL of water

60g of salt


Solution 2:

500 mL of water

60 g of salt

a)

Solution 1

b)

Solution 2

c)

They are equally diluted

84.

A solute whose water solution conducts electricity is called a(n)

a)
nonconductor
b)
electrolyte
c)
nonelectrolyte
d)
aqueous solution
85.

Two examples of nonelectrolyte solutions are:

a)

sugar (C6H12O6) water

b)

salt (NaCl) water

c)

Carbonated (CO2) Water

d)

Potassium chloride (KCl) water

86.

Choose the correct methods if you want to prepare a cup of coffee in a short time.

a)

Use cold water

b)

Use hot water

c)

Use crystal cube sugar

d)

Stirring the drink faster

e)

Use powdered sugar

87.
In a gas to liquid mixture, an increase in temperature means...
a)
increase in solubility
b)
decrease in solubility
88.

As temperature decreases, the solubility of gases:

a)
increases
b)
decreases
c)
stays the same
d)
can't tell
89.
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
90.
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
91.
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.
92.
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.
93.
 Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
94.
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
95.
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
96.
What would be considered the weakest base? 
a)
8
b)
14
c)
7.8
d)
11.6
97.
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
98.
Ammonia has a pH of 12.  Ammonia is __________.
a)
an acid
b)
a base
c)
an element
d)
a metal
99.
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
100.
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
101.
The pH of vinegar is 2.5.  Vinegar is a _____________.
a)
strong acid
b)
strong base
c)
weak base
d)
weak acid
102.
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
103.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
104.
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
105.

William 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
106.
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
107.
A solution that can dissolve more solute at a given temperature is ____.
a)
unsaturated
b)
saturated
c)
supersaturated
108.
The maximum amount of solute dissolved in a solvent at a given temperature measures the ____.
a)
concentration
b)
strenght
c)
solubility
109.

An organic compound that changes color in acids and bases

a)
neutralization
b)
pH
c)
solubility
d)
indicator
110.

The best subject to study ... EVER ... is

a)

Science, of course!

b)

ELA

c)

Math

d)

Art