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Unit 2: Matter and Solutions STUDY GUIDE

Total questions: 74

Worksheet time: 48mins

Name
Class
Date
1.
A mixture in which particles can be seen and easily separated by settling or filtration
a)
heterogeneous mixture
b)
suspension
c)
colloid
d)
homogeneous mixture
2.
A mixture in which different materials can be distinguished easily
a)
suspension
b)
homogeneous mixture
c)
heterogeneous mixture
d)
colloid
3.
A mixture containing small, undissolved particles that do not settle out.
a)
heterogeneous mixture
b)
homogeneous mixture
c)
suspension
d)
colloid
4.
A mixture in which substances are evenly distributed throughout the mixture
a)
colloid
b)
homogeneous mixture
c)
heterogeneous mixture
d)
suspension
5.
the substance that is dissolved
a)
solution
b)
solvent
c)
solute
6.
the substance in which the solute dissolves
a)
solute
b)
solution
c)
solvent
7.
A mixture that forms when one substance dissolves another.
a)
solution
b)
solute
c)
solvent
8.
mixtures of two or more metals
a)
homogeneous mixture
b)
heterogeneous mixture
c)
alloy
d)
solution
9.
Auqeous Solution
a)
solutions with water as the solvent
b)
solutions with oil as the solvent
c)
solutions with acid as the solvent
10.
Definition of a phase diagram: a graph of pressure versus temperature that shows which phase a substance exists in under different conditions of temperature and pressure
a)
true
b)
false
11.
What is the triple point on a phase diagram?
a)
all 3 phases can coexist simultaneously
b)
represents the temperature and pressure above which a supercritical fluid exists
c)
a change from one state (solid or liquid or gas) to another without a change in chemical composition
12.
What is the critical point on a phase diagram?
a)
all 3 phases can coexist simultaneously
b)
represents the temperature and pressure above which a supercritical fluid exists
c)
a change from one state (solid or liquid or gas) to another without a change in chemical composition
13.
What is deposition?
a)
gas to solid
b)
solid to gas
c)
gas to liquid
d)
liquid to gas
e)
solid to liquid
14.
What is condensation?
a)
gas to liquid
b)
gas to solid
c)
solid to gas
d)
liquid to gas
e)
solid to liquid
15.
What is sublimation?
a)
solid to gas
b)
gas to solid
c)
gas to liquid
d)
liquid to gas
e)
solid to liquid
16.
What is vaporization?
a)
liquid to gas
b)
gas to solid
c)
solid to gas
d)
gas to liquid
e)
solid to liquid
17.
What is freezing?
a)
liquid to solid
b)
gas to solid
c)
solid to gas
d)
gas to liquid
e)
liquid to gas
18.
What is melting?
a)
solid to liquid
b)
gas to solid
c)
solid to gas
d)
gas to liquid
e)
liquid to gas
19.
A form of matter that has a definite shape and volume
a)
liquid
b)
gas
c)
solid
20.
A state of matter that has no definite shape but has a definite volume.
a)
liquid
b)
gas
c)
solid
21.
a form of matter that does not have a definite volume or shape
a)
gas
b)
liquid
c)
solid
22.
a change from one state (solid or liquid or gas) to another without a change in chemical composition
a)
chemical change
b)
physical change
c)
phase change
23.
A change in a substance that does not involve a change in the identity of the substance
a)
chemical change
b)
physical change
c)
phase change
24.
A change in matter that produces one or more new substances
a)
chemical change
b)
physical change
c)
phase change
25.
Equation for Density
a)
Density=mass/volume
b)
Density=volume/mass
c)
Density=mass x volume
26.
A substance that decreases the hydrogen ion concentration in a solution.
a)
Acid
b)
Base
c)
Neutralization
27.
A reaction of an acid with a base, yielding a solution that is not as acidic or basic as the starting solutions were
a)
Acid
b)
Base
c)
Neutralization
28.
A substance that increases the hydrogen ion concentration of a solution; Forms H+ ions
a)
Acid
b)
Base
c)
Neutralization
29.
Definition of Electrolyte: An ionic compound whose aqueous solution conducts an electric current
a)
True
b)
False
30.
Label the missing pieces of the chart. Select all that apply.
a)
A)Pure Substances
b)
B) Elements
c)
C) Heterogeneous
d)
A) Elements
e)
A) Heterogeneous
31.
What are the properties of solutions?
a)
Do not separate on standing
b)
Can be separated by filtration
c)
Do not scatter light
d)
None of the above
32.
What factors affect the rate of dissolution?
a)
Surface area of the solute is increased by grindings
b)
Stirring or shaking
c)
Higher temperature
d)
All the above
33.
Most substances on this graph show increased solubility as temperature increases. Which ones do NOT increase solubility as temperature increases?
a)
NH3
b)
SO2
c)
HCl
d)
KCl
e)
NaNO3
34.
What compound is least soluble in water at 12 degrees celsius?
a)
KClO3
b)
NaCl
c)
KCl
d)
HCl
35.
How much solute is needed to make a saturated solution of NH3 at 10 degrees celsius?
a)
68g NH3
b)
70g NH3
c)
65g NH3
36.
On the pH scale, what is the range for acid?
a)
0-6
b)
7
c)
7-14
37.
On the pH scale, what is the range for base?
a)
0-6
b)
7
c)
7-14
38.
On the pH scale, what is the range for neutral?
a)
0-6
b)
7
c)
7-14
39.
Select the choices that are properties of acids?
a)
Tastes Sour
b)
Tastes Bitter
c)
Corrosive to metals
d)
react with metals
e)
turn litmus paper blue
40.
Select the choices that are properties of bases?
a)
Tastes Sour
b)
Tastes Bitter
c)
Slippery Feelings
d)
turns litmus paper red
e)
conducts electricity
41.
A pH meter measures the pH value of a substance
a)
True
b)
False
42.
The amount of hydronium (H+) ions and hydroxide (OH-) ions in solution can be detected by various chemicals or an electronic device, called a pH meter.
a)
False
b)
True
43.
Litmus paper will also give an exact value of pH.
a)
True
b)
False
44.
LIQUID PH INDICATORS GIVE EXACT PH VALUES.
a)
True
b)
False
45.
BASES PRODUCE HYDROXIDE IONS IN AQUEOUS SOLUTIONS
a)
True
b)
False
46.
PH STANDS FOR THE POWER OF HYRDROGEN.
a)
True
b)
False
47.
AMMONIA (PH 10)IS A STRONGER BASE THAN ANTACID (PH 8).
a)
True
b)
False
48.
ACIDS DISSOCIATE IN WATER TO FORM H3O- IONS.
a)
True
b)
False
49.
Select an option for 1 extra credit point.
a)
Yes I want an extra credit point
b)
No I do not want an extra credit point
50.

​ (a)   ​ have particles are not distributed evenly throughout the mixture.

​ ​ (b)   have particles are evenly distributed throughout mixture, and include​ (c)   ​ ,​​ (d)   , and ​ (e)   ​ .

Choose from the below words
Heterogenous mixtures
Homogenous mixtures
suspensions
colloids
solutions
Elements
Acids
Bases
51.
This type of mixture contains two or more substances that are visibly distinguishable. 
a)
homogeneous
b)
heterogeneous
c)
solution
d)
colloid
52.
The image shown is an example of a ___________.
a)
solution
b)
mixture
c)
gas
d)
plasma
53.
The substance in a solution that is of the greatest amount is the __________.
a)
solvent
b)
content
c)
solute
d)
salt
54.

When making a solution the solid that is dissolved is called the ___________ and the liquid doing the dissolving is called the __________.

a)

solute, solvent

b)

solvent, solute

c)

acid, base

d)

hydrogen, oxygen

55.

Sugar is added to water and the mixture is stirred. Which observation is evidence that the sugar dissolved in the water?

a)

Less sugar is visible.

b)

The water is cloudy.

c)

The sugar turned into crystals.

d)

Bubbles formed in the water.

56.

If I dissolve carbon dioxide in water, what is the solvent?

a)

Carbon Dioxide

b)

There is no solvent

c)

Oxygen

d)

Water

57.

A homogeneous mixture is the same thing as...

a)

a solution

b)

a heterogeneous mixture

c)

a compound

d)

an element

58.

What are mixtures?

a)

different materials placed together but keeping their own properties

b)

a mixture in which substances spread out evenly and will not settle

c)

the degree to which a material will dissolve in another substance

d)

the substance in a solution that has the greatest amount

e)

the substance in a solution that has the least amount

59.
What is a substance that is dissolved in another substance? 
a)
solution
b)
solute
c)
solvent
d)
compound
60.
A fruit salad is a 
a)
solution
b)
mixture
61.
A combination of two or more substances where each keeps their own properties and can be easily separated -
a)
Solution
b)
Mixture
c)
Solute
62.

How can you separate a mixture of iron filings and sand?

a)

By adding water and filtering the mixture.

b)

By heating the mixture until the sand melts.

c)

Using a magnet to attract the iron filings.

d)

By adding acid to dissolve the sand.

63.

Erin pours a mixture of sand and salt into a glass of warm water. She stirs the sand and salt with the water for one minute. She waits a few minutes and looks at the glass. She observes the following: 

Which outcome will Erin observe and how could she classify the results of this experiment?

a)

Salt dissolves in the water, while the sand sits at the bottom of the container making the salt and water a homogeneous mixture and the sand sitting at the bottom a heterogeneous mixture.

b)

Salt is transparent in a liquid making it an element.

c)

Salt evaporates from the water making it a heterogeneous mixture.

d)

Salt chemically combines with sand making this a compound.

64.

A student mixes oil and water in a flask. After a while, the oil and water separate into two layers. Which statement BEST explains this result?

a)

Only one of the substances can act as a solvent to the other.

b)

Only one of the substances can act as a solute to the other.

c)

Neither substance can act as a solvent to the other.

d)

Neither substance is able to form solutions.

65.

How can we separate an insoluble solid from a liquid?

a)

chromatography

b)

evaporation

c)

filtration

d)

condensation

66.
Sand and gravel may be separated from each other by using..
a)
a filter funnel
b)
a sieve
c)
an evaporating basin
d)
a distillation
67.

Match the following terms with their correct descriptions.

a)

Solution

1.

A homogeneous mixture of two or more substances.

b)

Solute

2.

The substance that is dissolved in a solution.

c)

Solvent

3.

The substance in which the solute is dissolved.

d)

Solvation

4.

The process of surrounding solute particles with solvent particles.

68.
In a sample of salt water, NaCl would be considered the ______.
a)
Solution
b)
Solute
c)
Solvent
d)
Solvation
69.

What is it called when light passes through a colloid and scatters/spreads out

a)

tyndall effect

b)

spreading out effect

c)

fog effect

d)

substance effect

70.

Which has more surface area: a sugar cube or sugar powder?

a)

sugar cube

b)

sugar powder

71.

The Universal Solvent is ______.

a)

sodium chloride

b)

acid

c)

water

d)

wind

72.
The Tyndall effect is used to distinguish between 
a)
gases and solids
b)
solutions and colloids
c)
solvent and suspensions
d)
all of these 
73.
What does this picture represent?
a)
element
b)
compound
c)
mixture
74.

This is a type of mixture that has visibly distinct components.

a)

solution

b)

compound

c)

homogeneous mixture

d)

heterogeneous mixture

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