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Worksheets

Solutions

Total questions: 47

Worksheet time: 24mins

Name
Class
Date
1.

A homogeneous mixture of two or more pure substances

a)

Solution

b)

Solute

c)

Solvent

d)

Solubility

2.

The substance being dissolved

a)

Solution

b)

Solute

c)

Solvent

d)

Solubility

3.

The substance doing the dissolving

a)

Solution

b)

Solute

c)

Solvent

d)

Solubility

4.

The ability of a solute to dissolve in a solvent

a)

Solution

b)

Solute

c)

Solvent

d)

Solubility

5.

A solution in which water is the solvent

a)

Polar

b)

Electrolyte

c)

Nonelectrolyte

d)

Aqueous

6.

A molecule in which the electrons are shared unevenly, resulting in one end of the molecule being positive and the other being negative

a)

Polar

b)

Electrolyte

c)

Nonelectrolyte

d)

Aqueous

7.

An aqueous solution that conducts electricity

a)

Polar

b)

Electrolyte

c)

Nonelectrolyte

d)

Aqueous

8.

An aqueous solution that does not conduct electricity

a)

Polar

b)

Electrolyte

c)

Nonelectrolyte

d)

Aqueous

9.

A solution that contains the maximum amount of solute at a given temperature

a)

Saturated

b)

Unsaturated

c)

Supersaturated

10.

A solution that contains more than the maximum amount of solute at a given temperature

a)

Saturated

b)

Unsaturated

c)

Supersaturated

11.

A solution that contains less than the maximum amount of solute at a given temperature

a)

Saturated

b)

Unsaturated

c)

Supersaturated

12.

Uneven distribution of a charge on a molecule, allows water to dissolve many substances

a)

polarity

b)

hydrogen bonds

c)

cohesion

d)

surface tension

13.

Weak bonds that form between the positive hydrogens and negative oxygens of polar water molecules, giving water many of its unique properties

a)

polarity

b)

hydrogen bonds

c)

cohesion

d)

surface tension

14.

Property of water where water molecules stick to each other

a)

polarity

b)

hydrogen bonds

c)

cohesion

d)

surface tension

15.

Property of water where hydrogen bonds between water molecules cause a 'film' to develop at the surface; allows bugs to sit on top of water

a)

polarity

b)

hydrogen bonds

c)

cohesion

d)

surface tension

16.

Property of water where water molecules stick to other surfaces

a)

adhesion

b)

capillary action

c)

boiling point

d)

universal solvent

17.

Property of water where water molecules can "climb" structures; straws in water make use of this property

a)

adhesion

b)

capillary action

c)

boiling point

d)

universal solvent

18.

Water has a high ___ ___ because it requires a great deal of energy to overcome the hydrogen bonding in the liquid phase to change it to a gas

a)

adhesion

b)

capillary action

c)

boiling point

d)

universal solvent

19.

Water is known as the ___ ___ because its unique properties allow it to dissolve more substances than any other solvent

a)

adhesion

b)

capillary action

c)

boiling point

d)

universal solvent

20.

Liquid mercury

a)

element

b)

compound

c)

solution (homogeneous mixture)

d)

heterogeneous mixture

21.

Sodium chloride

a)

element

b)

compound

c)

solution (homogeneous mixture)

d)

heterogeneous mixture

22.

Air

a)

element

b)

compound

c)

solution (homogeneous mixture)

d)

heterogeneous mixture

23.

Brass

a)

element

b)

compound

c)

solution (homogeneous mixture)

d)

heterogeneous mixture

24.

Is making a solution a physical or chemical change?

a)

physical change

b)

chemical change

25.

When the temperature of a solvent increases, solubility of ____ increases.

a)

solids

b)

liquids

c)

gases

d)

solids and liquids

26.

Which salt is least soluble at 50°C?

a)

Ce2(SO4)3

b)

KClO3

c)

KCl

d)

KNO3

27.

How many grams of KCl are expected to dissolve in water at 90 °C?

a)

55 g

b)

50 g

c)

60 g

d)

70 g

28.

50 g of KNO3 dissolved into 100 g of water at 60°C.

a)

saturated

b)

supersaturated

c)

unsaturated

29.

50 g of KCl dissolved into 100 g of water at 50°C.

a)

saturated

b)

supersaturated

c)

unsaturated

30.

25 g of CaCl2 dissolved into 100 g of water at 10 °C.

a)

saturated

b)

supersaturated

c)

unsaturated

31.

45 g of NaCl dissolved into 100 g of water at 100 °C.

a)

saturated

b)

supersaturated

c)

unsaturated

32.

30 g of K2Cr2O7 dissolved in 100 g of water at 50 °C.

a)

saturated

b)

supersaturated

c)

unsaturated

33.

Use solubility rules to determine if the following is soluble (aq) or insoluble (s) in water: CaSO4

a)

soluble (aq)

b)

insoluble (s)

34.

Use solubility rules to determine if the following is soluble (aq) or insoluble (s) in water: AgNO3

a)

soluble (aq)

b)

insoluble (s)

35.

When KNO3 dissolves in water, what ions will it form?

a)

K+ and NO3-

b)

KN+ and O3-

c)

N+ and KO3-

d)

NO+ and KO2-

36.

When PbI2 dissolves in water, into what ions will it dissociate?

a)

Pb2+ and I-

b)

I+ and Pb2-

c)

Pb+ and I2-

d)

Pb3+ and I-

37.

When Al2O3 dissolves in water, what ions will it dissociate into?

a)

Al3+ and O2-

b)

Al2+ and O3-

c)

O+ and Al-

d)

Al+ and O-

38.

Use solubility rules to determine which of the following will produce a precipitate (s).


3NaBr(aq) + AlNO3(aq) → NaNO3(___) + AlBr3(___)

a)

NaNO3 only

b)

AlBr3 only

c)

both NaNO3 and AlBr3

d)

neither NaNO3 and AlBr3

39.

Predict whether the following compound is soluble or insoluble in water: Methane (CH4) (nonpolar)

a)

soluble (aq)

b)

insoluble (s)

40.

Predict whether the following compound is soluble or insoluble in water: Ammonia (NH3) (polar)

a)

soluble (aq)

b)

insoluble (s)

41.

Predict whether the following compound is soluble or insoluble in water: Fe2O3 (ionic)

a)

soluble (aq)

b)

insoluble (s)

42.

Identify the following aqueous solution as a strong electrolyte, weak electrolyte, or nonelectrolyte: Sr(OH)2

a)

Strong electrolyte

b)

Weak electrolyte

c)

Nonelectrolyte

43.

Identify the following aqueous solution as a strong electrolyte, weak electrolyte, or nonelectrolyte: H2CO3

a)

Strong electrolyte

b)

Weak electrolyte

c)

Nonelectrolyte

44.

Identify the following aqueous solution as a strong electrolyte, weak electrolyte, or nonelectrolyte: C12H22O11

a)

Strong electrolyte

b)

Weak electrolyte

c)

Nonelectrolyte

45.

Identify the following aqueous solution as a strong electrolyte, weak electrolyte, or nonelectrolyte: HNO3

a)

Strong electrolyte

b)

Weak electrolyte

c)

Nonelectrolyte

46.

Identify the following aqueous solution as a strong electrolyte, weak electrolyte, or nonelectrolyte: CH4

a)

Strong electrolyte

b)

Weak electrolyte

c)

Nonelectrolyte

47.

When the pressure on a solvent increases, solubility of ____ increases.

a)

solids

b)

liquids

c)

gases

d)

solids and liquids