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Worksheets

Solutions

Total questions: 42

Worksheet time: 42mins

Name
Class
Date
1.
Which identifies a substance whose particles are dissolved in a solution?
a)
solvent
b)
solute
c)
solid
d)
ion
2.

The process in which an ionic compound separates into ions as it dissolves is called ____.

a)

dispersion

b)

dissociation

c)

ionization

d)

neutralization

3.

The process in which the cations and anions of a crystal lattice are separated.

a)

dispersion

b)

dissociation

c)

ionization

4.
Dissolving by ionization is a ________ change.
a)
chemical
b)
physical
c)
homogeneous
d)
heterogeneous
5.

Which is NOT one of the three (3) physical properties of a solution that vary from those of its solute and solvent.

a)

conductivity

b)

freezing point

c)

boiling point

d)

melting point

6.
As water freezes, the water molecules ______.
a)
become more organized
b)
become more disorganized
c)
become ionized
d)
become non-polar
7.
Dissolving sodium hydroxide in water is a(n) _______ process, as it releases heat.
a)
exothermic
b)
endothermic
8.
Dissolving ammonium nitrate in water is a(n) _______ process, as it absorbs heat.
a)
exothermic
b)
endothermic
9.

When a solute and solvent are combined, energy is always

a)

released

b)

absorbed

c)

created or destroyed

d)

released or absorbed

10.
A process where neutral molecules gain or lose electrons.
a)
Dissociation
b)
Dispersion
c)
Ionization
d)
Neutralization
11.
Is the following true or false.
The solution takes the state of the solvent.
a)
True
b)
False
12.

The maximum amount of a solute that dissolves in a given amount of solvent at a constant temperature.

a)

Heat of Solution

b)

Solubility

c)

Concentration

d)

Neutralization

13.

This process involves breaking molecules into smaller pieces.

a)

Dissociation

b)

Dispersion

c)

Ionization

d)

Neutralization

14.
Which is NOT one of the three (3) factors affecting the rates of dissolving?
a)
surface area
b)
pressure
c)
stirring
d)
increasing temperature
15.
A substance that ionizes or dissociates into ions when it dissolves in water. 
a)
buffer
b)
concentration
c)
solubility
d)
electrolytes
16.

The amount of solute dissolved in a specific amount of solution.

a)

buffer

b)

concentration

c)

solubility

d)

electrolytes

17.
Solutions that contain more solute that is normally held at a given temperature.
a)
Saturated
b)
Unsaturated
c)
Supersaturated
18.
Solutions that hold as much solute as the solvent can hold at a given temperature.
a)
Saturated
b)
Unsaturated
c)
Supersaturated
19.

Solutions that hold less than the maximum amount of solute that can be dissolved.

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

Desaturated

20.
Polarity of a solvent can best be described as:
a)
ionized H3O+ molecules
b)
like dissolves like
c)
increased polarity increases the rate a solute dissolves in a solvent
21.
Temperature _________ the solubility of a solid.
Temperature _____ the solubility of a gas.
a)
increases, increases
b)
increases, decreases
c)
decreases, increases
d)
decreases, decreases
22.
Heating a solvent ________ the energy of its particles, making them move faster on average, and  _______ the rate at which a solid solute can dissolve in the solvent.
a)
increases, increases
b)
increases, decreases
c)
decreases, decreases
d)
decreases, increases
23.
During the formation of a solution – energy is either released or absorbed.
This statement defines ________.
a)
Heat of Fusion
b)
Heat of Vaporization
c)
Heat of Solution
d)
Heat of Ionization
24.
The image depicts which process?
a)
dissociation
b)
dispersion
c)
ionization
d)
neutralization
25.
The image depicts which process?
a)
dissociation
b)
dispersion
c)
ionization
d)
neutralization
26.
The image depicts which process?
a)
dissociation
b)
dispersion
c)
ionization
d)
neutralization
27.
Is the following statement True or False?

Pure water freezes before saltwater because the salt lowers the freezing point of the water.
a)
True
b)
False
28.

A solution that has less than the maximum amount of solute that can be dissolved is

a)

saturated

b)

unsaturated

c)

supersaturated

d)

desaturated

29.

A water molecule is

a)

A polar covalent bond

b)

a non-polar covalent bond

c)

An ionic bond

d)

a metallic bond

30.

What is the name of the following molecule?

CaBr3

a)

Calcium tri-Bromide

b)

Calcium Bromine

c)

Calcium Bromide

d)

Calcium tetra-Bromide

31.

Which of the following substances can able to dissolve in water to form electrolytes?

a)

C6H12O6

b)

C2H5OH

c)

HCl

32.

What is a solution?

a)

A chemical reaction between two substances.

b)

A mixture where the two substance remain separate.

c)

A mixture where one substance dissolves into the other.

d)

None of these.

33.

Which of the following describes the substance that does the dissolving?

a)

Solute

b)

Solvent

c)

Dissociation

d)

Dispersion

34.

Which of the following describes the substance that is dissolved?

a)

Solute

b)

Solvent

c)

Dissociation

d)

Dispersion

35.

Which of the following describes the gif of salt dissolving shown above?

a)

Solute

b)

Solvent

c)

Dissociation

d)

Dispersion

36.

Which of the following describes the picture of sugar being dissolved shown above?

a)

Solute

b)

Solvent

c)

Dissociation

d)

Dispersion

37.

By which method will Potassium Chloride (KCl) dissolve?

a)

Dissociation

b)

Dispersion

38.

By which method will Lactose (C12H22O11) dissolve?

a)

Dissociation

b)

Dispersion

39.

Which of the following is polar?

a)
b)
c)
d)
40.
Sugar dissolves is water through
a)
ionization
b)
dissociation
c)
neutralization
d)
dispersion
41.
Solvents can be
a)
liquids and gases
b)
liquids only
c)
solids and liquids
d)
solids, liquids, or gases
42.
All of the following affect the rate of dissolving except
a)
surface area
b)
pressure
c)
stirring
d)
temperature

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