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Mixtures and Solutions Review Quiz

Total questions: 50

Worksheet time: 49mins

Name
Class
Date
1.
What is a substance that is dissolved in another substance? 
a)
solution
b)
solute
c)
solvent
d)
compound
2.
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
3.
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
4.
air is a 
a)
compound
b)
element
c)
heterogeneous mixture
d)
solution
5.
Another name for a homogeneous mixture is 
a)
an element.
b)
a solution.
c)
a compound.
6.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
7.
When Koolaid mix is light colored and tastes watery it is a _______ solution.
a)
saturated 
b)
diluted
8.
When a Koolaid mix in water is dark in color and very sweet it is a __________ solution.
a)
concentrated 
b)
Diluted
9.
When a certain amount of solvent cannot hold any more solute it is called a ________ solution.
a)
Diluted
b)
Saturated
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 solute is the most soluble at 10 ⁰C?
a)
KI
b)
KClO3
c)
NH4Cl
d)
NH3
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.
When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:
a)
supersaturated
b)
unsaturated
c)
saturated
15.

Which of the following actions will NOT

increase the rate of dissolution

(dissolving)?

a)

Stirring the solution

b)

Decreasing the temperature

c)

Increasing the surface area of the

solute

d)

Increasing the temperature

16.

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

17.

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

a)

M

b)

mol

c)

g

d)

g/L

18.

You need to make 200 mL of a 0.20 M aqueous solution of sodium chloride. The only available solution is 1.0 M. Determine how to make the needed dilution.

a)

Add 160 mL to the initial volume

b)

Add 160 grams to the initial volume

c)

Evaporate 160 mL from the initial volume

d)

the experiment cannot be conducted with the materials provided

19.

A dilution is when

a)

solute is added to the volume of stock solution

b)

water is added to the volume of stock solution

c)

solute is removed from the volume of stock solution

d)

water is removed from the volume of stock solution

20.

Calculate the Molarity in a solution containing 40.0 g of NaCl dissolved in 500.0 ml of H2O.

a)

0.08 M

b)

12.5 M

c)

1.37 M

d)

0.74 M

21.

Calculate the grams of NaOH present in 10.0 mL of a 2.0 M NaOH solution.

a)

0.8 grams

b)

2000 grams

c)

0.3 grams

d)

5 grams

22.

Molarity is ...

a)

grams of solute/deciliters of solvent.

b)

grams of solute/liters of solution.

c)

moles of solute/liters of solution.

d)

moles of solute/milliliters of solvent.

23.

A solution is made by dissolving 0.50 mole of NaCl in enough water to give a final volume of 400.0 mL. What is the molarity of the solution?

a)

0.10 M

b)

0.40 M

c)

1.25 M

d)

2.33 M

24.

The definition of a stock solution is ...

a)

a highly concentrated solution that is meant to be diluted to some lower concentration.

b)

moles of solute divided by liters of solvent

c)

a solution used to make soup and is usually either chicken or beef flavor

d)

a solution with less dissolved solute than a dilute solution.

25.

A 0.500 M solution of NaOH, which contains 0.750 mole of solute, would have a volume, in milliliters

a)

0.667 mL

b)

1200 mL

c)

1500 mL

d)

2100 mL

26.

What volume, in milliliters, of 10.0 M NaOH is needed to prepare 300 mL of 2.00 M NaOH by dilution?

a)

0.067 mL

b)

60.0 mL

c)

100 mL

d)

125 mL

27.

If 0.775 L of 1.00 M NaOH is diluted to 1.00 L, the resulting solution contains

a)

0.225 mol NaOH

b)

0.775 mol NaOH

c)

1.25 mol NaOH

d)

2.45 mol NaOH

28.

Calculate the volume of a 5M solution that contains 10 moles of NaOH

a)

0.5 L

b)

1 L

c)

2 L

d)

4 L

29.

Which of the following solutions has a molarity of 2.0?

a)

0.050 mole of solute in 0.0250 L of solution

b)

2.0 moles of solute in 0.5000 L of solution

c)

3.0 moles of solute in 1.5000 L of solution

d)

none of the above

30.

Calculate the moles in 1500 mL of a 2 M solution of BaI2

a)

1.33 moles

b)

2.25 moles

c)

3.00 moles

d)

3000 moles

31.

Two liquids that can be mixed together but separate shortly after are:

a)

immiscible

b)

insoluble

c)

miscible

d)

soluble

32.

A mixture containing particles that settle out if left undisturbed is a:

a)

colloid

b)

solute

c)

solvent

d)

suspension

33.

A heterogeneous mixture of intermediate sized particles is a:

a)

colloid

b)

solute

c)

solvent

d)

suspension

34.

More solute can be dissolved in a _____ solution:

a)

saturated

b)

supersaturated

c)

 suspended

d)

unsaturated

35.

A substance that dissolves in a solvent is said to be a(n) __________

a)

 insoluble

b)

immiscible

c)

miscible

d)

soluble

36.

A(n) _____ solution contains the maximum amount of dissolved solute for a given 

amount of solvent.

a)

saturated

b)

supersaturated

c)

 suspended

d)

unsaturated

37.

Two liquids that are soluble in each other in any proportion are said to be:

a)

insoluble

b)

 immiscible

c)

miscible

d)

soluble

38.

A substance that does not dissolve in a solvent is said to be:

a)

insoluble

b)

immiscible

c)

miscible

d)

soluble

39.

What law states that at a given temperature the solubility of a gas in a liquid is 

directly proportional to the pressure of the gas above the liquid?

a)

 Boyle’s Law

b)

Charles’s Law

c)

Henry’s Law

d)

Ideal Gas Law

40.

The erratic movement of colloid particles is called:

a)

 Brownian motion

b)

Colloidal motion

c)

Slow motion

d)

Suspended motion

41.

A(n) _____ solution contains more dissolved solute than a saturated solution at the 

same temperature.

a)

 saturated

b)

supersaturated

c)

suspended

d)

unsaturated

42.

. _____ solutions are very unstable.

a)

saturated

b)

supersaturated

c)

 suspended

d)

 unsaturated

43.

Which substance can dissolve only 40 g in 60°C water?

a)

NaCl

b)

KClO3KClO_3^{ }  

c)

KCl

d)

Ce2(SO4)3Ce_2\left(SO_4\right)_3  

44.

The process of surrounding solute particles with solvent particles to form a solution

 is called ____________________.

a)

immiscible

b)

solvation

c)

soluble

d)

insouble

45.

A measure of the amount of solute dissolved in a specific amount of solvent or 

solution is called the ____________________ of the solution.

a)

dilution

b)

concentration

c)

dissolving

d)

solvent

46.

Two types of heterogeneous mixtures are suspensions and colloids.

a)

True

b)

False

47.

Muddy water from a creek after a heavy rain is an example of a suspension.

a)

True

b)

False

48.

Water is the most common solvent among liquid solutions.

a)

True

b)

False

49.

Molarity is the number of moles of solute dissolved per liter of solution

a)

True

b)

False

50.

The concentration of a solution is a measure of how much solute is dissolved in a

 specific amount of solvent or solution.

a)

True

b)

False

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