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Chapter 8: Solutions

Total questions: 37

Worksheet time: 19mins

Name
Class
Date
1.

In order for a solution to form

a)

a solid must dissolve in a liquid

b)

the solvent must be water

c)

a gas must dissolve in a liquid

d)
  • one substance must dissolve in another

2.

During the formation of a solution, energy is

a)

neither released nor absorbed

b)

released only

c)

absorbed only

d)
  • either released or absorbed

3.

If you dissolve equal amounts of salt in warm water, room temperature water, and ice water

a)

the salt will dissolve most quickly in room-temp water

b)

the salt will dissolve most quickly in the ice water

c)

will dissolve most quickly in warm water

d)

None of the above

4.

A solution that contains more solute than it would normally hold at a given temperature is said to be

a)

unsaturated

b)

supersaturated

c)

concentrated

d)

saturated

5.

Which of the following is NOT a property of an acid?

a)

usually reacts with metal

b)

changes the color of an indicator

c)

feels slippery

d)

tastes sour

6.

Which of the following is NOT a common property of bases?

a)

tastes bitter

b)

reacts with metals

c)

changes colors of indicators

d)

feels slippery

7.

A base is defined as a compound that produces

a)

hydrogen ions in solution

b)

hydronium ions in solution

c)

sodium ions in solution

d)

hydroxide ions in solution

8.

In order to calculate molarity of a solution, you need to know the moles of solute and the

a)

volume of the solution

b)

mass of the solution

c)

volume of the solute

d)

volume of the solvent

9.

The maximum amount of solute that will dissolve in a solution at a given temperature is

a)

concentration

b)

degree of saturation

c)

rate of solution

d)

solubility

10.

The rate of dissolving of a rock in a stream would be increased by all of the ollowing EXCEPT

a)

moving the rock to a faster-moving current

b)

moving the rock to warmer water

c)

reducing the exposure of the rock to water

d)
  • breaking the rock into smaller pieces

11.

A salt is dissolved in water. The boiling point of the water will be

a)

less than 100oC

b)

exactly 100oC

c)

exactly equal to 0oC

d)

greater than 100oC

12.

A salt that is formed during the reaction between KOH and HCl would be

a)

H2O

b)

KCl

c)

K2Cl

d)

NaCl

13.

Ammonia, NH3, can be classified as a base because it will

a)

produce hydronium ions

b)

donate a proton and become NH2-

c)

accept a proton and become NH4+

d)
  • produce hydroxide ions in solution

14.

A small amount of acid is added to a buffer solution. The pH of the solution will

a)

increase

b)

stay about the same

c)

become neutral

d)

decrease

15.

A compound has a pH of 1 in solution, where it has completely ionized. The compound is a

a)

strong base

b)

weak base

c)

strong acid

d)

weak acid

16.

An acid can be defined as a

a)

proton donor

b)

proton acceptor

c)

neither a proton donor or acceptor

d)
  • both a proton donor and acceptor

17.

When sugar is dissolved in water, water is the ___________ and sugar is the _______________.

a)

solute, solvent

b)

solvent, solute

c)

both are solutes

d)

both are solvents

18.

The physical properties of a solution that can differ from those of its solute and solvent include

a)

freezing point

b)

boiling point

c)

conductivity

d)

all of the above

19.

Table salt is ___________ soluble is cold water than in warm water.

a)

less

b)

more

20.

If a saturated solution of sugar water is heated, the solution will become

a)

supersaturated

b)

saturated

c)

unsaturated

d)

concentrated

21.

When a substance donates a + during a chemical chemical reaction, the substance can be classified as

a)

a base

b)

neutral

c)

an acid

d)

a compound

22.

Many foods are acidic, but they do not hurt you because they contain ____________ acids.

a)

weak

b)

strong

c)

neutral

d)

pH

23.

The pH of a solution describes the amount of _____________________ in solution.

a)

hydroxide ions

b)

hydrogen ions

c)

sodium ions

d)

hydronium ions

24.

An acid produces ______________ when dissolved in water.

a)

hydroxide ions

b)

hydronium ions

c)

sodium ions

d)


hydrogen ions

25.

The statement "203.9 g of table sugar will dissolved in 100 g of water" is not complete because

a)

concentration is not mentioned

b)

solubility is not mentioned

c)

solution is not mentioned

d)

temperature is not mentioned

26.

A food packet releases energy when the solute is dissolved. This process is described as

a)

endothermic

b)

exothermic

27.

When a substance dissolved in water by breaking into smaller pieces and spreading out, it is

a)

going through dissociation

b)

going through dispersion

c)

going through ionization

d)
  • going through a chemical change

28.

During ____________________, ions form during the formation of a solution.

a)

dissociation

b)

dispersion

c)

ionization

d)

inovation

29.

During ________________, the ions in an ionic compound separate when dissolving.

a)

dissociation

b)

dispersion

c)

ionization

d)

desperation

30.

If you place a drop of solution on blue litmus paper and it doesn't change color, it is a(n)

a)

base

b)

acid

c)

either an acid or a base

d)

you can't tell without further testing

31.

If a material is a base, the pH is

a)

below 7

b)

above a 7

c)

equal to 7

d)

off the charts

32.

Most household cleaners are

a)

bases

b)

acids

c)

neutral

d)

none of the above

33.

If you have an acid with a pH of about a 3, you would need a base with a pH of ______ in order to neutralize it.

a)

7

b)

4

c)

11

d)

14

34.

A(n) ____________________ is a solution that is resistant to large changes in pH.

a)

aqueous

b)

base

c)

acid

d)

buffer

35.

What are the products of a neutralization reaction?

a)

a salt

b)

water

c)

both salt and water

d)

nothing, it's neutral

36.

A substance that contains the maximum amount of solute that a solution can hold at a given temperature is said to be

a)

unsaturated

b)

saturated

c)

supersaturated

d)

molarity

37.

In an exothermic reaction, the energy required to break the bonds of the solute and solvent

a)

is greater than the energy released during the formation of products

b)

is equal to the energy released during the formation of product

c)

is greater than or equal to the energy released during the formation of products

d)
  • is less than the energy released during the formation of products