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Solutions, Acids, & Bases Review

Total questions: 50

Worksheet time: 30mins

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.

This is the part of a solution that dissolves.

a)

Solute

b)

Solvent

c)

Solution

d)

Mixture

4.

Salt water is a...

a)

compound

b)

element

c)

molecule

d)

solution

5.

What a solute dissolves in...

a)

solvent

b)

mixture

c)

solute

6.

Dissolves in the solvent...

a)

solute

b)

solvent

c)

mixtures

7.
When solute dissolves into a solvent it is called a _____________.
a)
mixture
b)
solution
c)
element
8.

A mixture in which a solid and a liquid or two liquids are mixed so evenly, that it is not possible to see the separate particles is called a(n)...

a)

Acid

b)

Base

c)

Solution

d)

Buffer

9.
What is the name of the compound with the formula NaCl? 
a)
chlorine sodiate
b)
sodium chlorate
c)
sodium chloride
d)
sodium dichloride
10.

When sodium chloride is added to water, it ___________ into sodium cations and chloride anions in a solution.

a)

dissociates

b)

transforms

c)

reacts

d)

changes

11.

When sodium chloride is added to water, it dissociates into sodium ________ and chloride ________ in a solution.

a)

cations, anions

b)

anions, cations

c)

ions

d)

positive poles, negative poles

12.

A solution in which the solvent is water is called a(n)...

a)

buffer

b)

acid

c)

saltwater solution

d)

aqueous solution

13.

In an aqueous solution of sugar, the solute is...

a)

sugar

b)

salt

c)

water

d)

it cannot be determined

14.

In an aqueous solution of sugar, the solvent is...

a)

sugar

b)

salt

c)

water

d)

it cannot be determined

15.

In an aqueous solution of milk of magnesia, the solute is...

a)

milk of magnesia

b)

vinegar

c)

water

d)

universal pH indicator

16.

In an aqueous solution of milk of magnesia, the solvent is...

a)

milk of magnesia

b)

vinegar

c)

water

d)

universal pH indicator

17.

When sodium chloride dissolves in water, the positive _______ of water are attracted to the negatively charged chlorine/chloride anions.

a)

poles

b)

sides

c)

ions

d)

cations

18.

When sodium chloride dissolves in water, the negative _______ of water are attracted to the positively charged sodium cations.

a)

poles

b)

sides

c)

ions

d)

anions

19.

The reason why water is able to dissolve many ionic compounds, such as table salt (NaCl), is because

a)

water is a polar molecule and the partially positive hydrogens pull the cations out of the salt crystal

b)

water is polar molecule and the partially negative oxygens pull the cations out of the crystal

c)

water is polar molecule and the partially negative oxygens pull the anions out of the crystal

d)

water is an ionic compound and the negative ion of oxygen pulls out the positive ion of sodium

20.
Look at the diagram. In this diagram, the red dots represent
a)
the solute
b)
the solvent
c)
the solution
21.
Look at the diagram. In this diagram, the blue area represents
a)
the solute
b)
the solvent
c)
the solution
22.

Which of the following is a substance that donates or adds hydrogen cations in solution?

a)

salt

b)

acid

c)

indicator

d)

base

23.

Which of the following substances contains a base?

a)

laundry detergent

b)

vinegar

c)

lemon juice

d)

saliva

24.

An unknown solution is tested with a pH indicator, and shows a pH of 5. What type of solution is this?

a)

strong base

b)

strong acid

c)

weak base

d)

weak acid

25.

The ____ of a solution is a measure of the amount of hydrogen cations in it.

a)

concentration

b)

indicator

c)

pH

d)

strength

26.

A buffer _______. (multiple choice)

a)

Maintains pH in biological fluids

b)

Resists changes in pH

c)

picks up H+ ions when [H+] concentration is high

d)

adds H+ ions when [H+] concentration is low

27.

Adding an acid to a solution... (select all that apply)

a)

increases the H+ concentration

b)

decreases the H+ concentration

c)

lowers the pH

d)

raises the pH

28.

Adding a base to a solution... (select all that apply)

a)

increases the H+ concentration

b)

decreases the H+ concentration

c)

lowers the pH

d)

raises the pH

29.
Acids produce _________ ions when they break down or dissocciate. 
a)
Hydroxide (OH-)
b)
Water
c)
Chlorine (Cl-)
d)
Hydrogen (H+)
30.

When blue litmus paper is placed in a base...

a)

it turns red

b)

it stays blue

c)

it turns green

d)

it dissolves

31.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
32.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
33.

Acidic food often tastes...(select all that apply)

a)

sour

b)

tart

c)

corrosive

d)

bitter

e)

slippery

34.

Basic/alkaline food often tastes...(select all that apply)

a)

sour

b)

tart

c)

corrosive

d)

bitter

e)

slippery

35.

Which of the following describes how acids break down certain substances and produce a gas in the process?

a)

sour

b)

tart

c)

corrosive

d)

bitter

e)

slippery

36.

Many soaps and detergents are slippery because they contain _________. (Select all that apply.)

a)

Bases

b)

Alkalis

c)

Acids

d)

Buffers

37.

pH stands for...

a)

potential of hydrogen

b)

pretty hydrogen

c)

hydrogen cation

d)

preference for hydrogen

38.

What is the pH range of saliva?

a)

5.75-7.05

b)

7

c)

1.5-3.5

d)

8

39.

What is the pH range of the esophagus?

a)

5.75-7.05

b)

7

c)

1.5-3.5

d)

8

40.

What is the pH range of the stomach?

a)

5.75-7.05

b)

7

c)

1.5-3.5

d)

8

41.

What is the pH range of the intestines?

a)

5.75-7.05

b)

7

c)

1.5-3.5

d)

8

42.

When red litmus paper is placed in an acid...

a)

it turns blue

b)

it stays red

c)

it turns green

d)

it dissolves

43.

When red litmus paper is placed in a base...

a)

it turns blue

b)

it stays red

c)

it turns green

d)

it dissolves

44.

When blue litmus paper is placed in an acid...

a)

it turns red

b)

it stays blue

c)

it turns green

d)

it dissolves

45.

Blood has a pH range of...

a)

7.35-7.45

b)

1.5-3.5

c)

5.75-7.05

46.

The pH of pure water

a)

5.6

b)

7.0

c)

8.1

d)

0.0

47.

Acid in our stomach:

a)

Gastric acid

b)

Sulfuric acid

c)

Acetic acid

d)

Carbonic acid

48.

When your blood is too acidic, your body produces...(select all that apply.)

a)

carbonic acid

b)

H2CO3

c)

H+

d)

HCO3-

49.

When your blood is too basic/alkaline, your body produces...(select all that apply.)

a)

carbonic acid

b)

H2CO3

c)

H+

d)

HCO3-

50.

In order to maintain the pH, your blood contains _______ to buffer the pH.

a)

carbonic acid

b)

gastric acid

c)

acetic acid

d)

salts

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