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PRACTICE Solutions Test

Total questions: 35

Worksheet time: 2hrs 59mins

Name
Class
Date
1.

What is a solvent

a)

A liquid that will dissolve a solid solute

b)

Another word for solution

c)

A thing that make drinks change colour

d)

Usually the solid about to be dissolved

2.

The ___ is the thing being dissolved.

a)

solute

b)

solvent

c)

mixture

d)

solution

3.

The substance being dissolved in a solution is the?

a)

solution

b)

solute

c)

solvent

d)

mixture

4.
If I dissolve sugar in water, what is the solute?
a)
Water
b)
Hydrogen
c)
Sugar
d)
Carbon
5.

If I dissolve salt in water, what is the solvent?

a)

salt

b)

water

c)

salt & water

d)

none of the above

6.
The amount of solute actually dissolved in a given amount of solvent.
a)
dilution
b)
concentration
c)
saturated solution
d)
supersaturated mixture
7.
When a solvent contains as much of the solute as it can hold, the solution is said to be
a)
supersaturated
b)
diluted
c)
saturated
d)
unsaturated
8.
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. 
9.
__________ are made up of solutes and solvents.
a)
Solutions
b)
Suspensions
c)
Heterogeneous Mixtures
d)
Pure Substances
10.

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

11.

Which substance is MOST soluble at 0 ºC?

a)

KI

b)

NaNO3

c)

NaCl

d)

Ce2(SO4)3

12.
Which solute is the least soluble at 90 ⁰C?
a)
SO2
b)
KClO3
c)
KI
d)
HCl
13.
When 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
14.
State whether the following compound is soluble or insoluble.  calcium carbonate CaCO3 
a)
soluble
b)
insoluble
15.
State whether the following compound is soluble or insoluble. potassiun bromide KBr
a)
Soluble
b)
Insoluble
16.
State whether the following compound is soluble or insoluble. Zinc hydroxide Zn(OH)2
a)
Soluble 
b)
Insoluble
17.
State whether the following compound is soluble or insoluble. Zinc  carbonate ZnCO3 
a)
Soluble 
b)
Insoluble 
18.
State whether the following compound is soluble or insoluble.Ammonium nitrate NH4NO3
a)
soluble
b)
insoluble
19.

Identify the precipitate in the reaction:

2NaOH + MgCl2 → 2NaCl + Mg(OH)2

a)

NaOH

b)

MgCl2

c)

NaCl

d)

Mg(OH)2

20.

Identify the precipitate in the reaction:

Pb(NO3)2 + 2NaCl → 2NaNO3 + PbCl2

a)

Pb(NO3)2

b)

NaCl

c)

NaNO3

d)

PbCl2

21.

Sodium sulfide (Na2S)

a)

Soluble

b)

Insoluble

22.

The term molar, which describes a solution's concentration, is written as?

a)

M

b)

mol

c)

g

d)

g/L

23.
How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?
a)
0.625 g NaCl
b)
625 g NaCl
c)
36.5 g NaCl
d)
0.04 mol NaCl
24.
Find the molarity of 186.55 g of sucrose, C12H22O11 (MM = 342) in 250 mL of water.
a)
2.18 M
b)
0.746 M
c)
1.18 M
d)
0.545 M
25.
How many grams of AgNO3 (MM = 169.87) are needed to prepare 0.125M solution in 250 mL of water? 
a)
.03g
b)
0.5g
c)
5.3g
d)
84.9g
26.
What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250 mL?
a)
15.9 M
b)
0.636 M
c)
0.642 M
d)
1.59 M
27.

125.0 mL of 2.00 M calcium hydroxide solution is diluted to a concentration of 1.50 M. How many mL of water was added to the original volume?

a)

167 mL

b)

42.0 mL

c)

93.8 mL

d)

0.0240 mL

28.

How many liters 0.110 M nitric acid can be prepared by diluting 5.00 mL of 15.3 M stock solution?

a)

8.415 L

b)

1.53 L

c)

0.695 L

d)

0.0000360 L

29.
What is the universal solvent?
a)
salt
b)
sugar
c)
water
d)
ice
30.

According to the picture, which compound is a stronger electrolyte?

a)

HCl

b)

H2CO3

c)

both are equally strong

d)

neither

31.

Four chemical solutions are shown above. Which of the following solutions would correspond to a weak electrolyte?

a)

IV

b)

III

c)

II

d)

I and II

32.
a solute whose water solution conducts electricity is called a(n)
a)
nonconductor
b)
electrolyte
c)
nonelectrolyte
d)
aqueous solution
33.

Which of the following describes a solution containing an electrolyte?

a)

The solute particles are so firmly bonded that they do not

break apart.

b)

The solute particles permit the passage of an electric current.

c)

It is unstable, and all the solute will precipitate if the solution

is disturbed.

d)

It cannot contain any more solute particles

34.

Which of the following solutions would conduct electricity the best?

a)

A. A sugar solution

b)

B. A salt solution

c)

C. Distilled water

d)

D. All of them

35.

According to the image, which of the following would represent a solution that contains sodium chloride, a soluble ionic compound?

a)

A (far left)

b)

B (middle)

c)

C (far right)

d)

None of the image represents sodium chloride added to water.

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