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Acids and Bases

Total questions: 32

Worksheet time: 32mins

Name
Class
Date
1.

When acids are mixed with bases, they ________ each other.

a)

enhance

b)

neutralize

c)

increase

d)

independently move around

2.

Which of the following is a triprotic acid?

a)

HClO2

b)

HI

c)

H2SO4

d)

H3PO4

3.

Which of the following is an Arrhenius acid?

a)

HClO

b)

NaOH

c)

KCl

d)

H2O

4.

Which of the following is an Arrhenius base?

a)

HClO

b)

NaOH

c)

KCl

d)

H2O

5.

Which of the following is a salt?

a)

HClO

b)

NaOH

c)

KCl

d)

H2O

6.

Which reaction shows a weak acid dissociating?

a)

I

b)

II

c)

III

d)

IV

7.

Which reaction shows a strong base dissociating?

a)

I

b)

II

c)

III

d)

IV

8.

As the hydrogen ion concentration increases, the hydroxide ion concentration ________.

a)

increases

b)

decreases

c)

stays constant

9.

As the hydrogen ion concentration increases, the pH ________.

a)

increases

b)

decreases

c)

stays constant

10.

As the hydroxide ion concentration increases, the pH ________.

a)

increases

b)

decreases

c)

stays constant

11.

When HCl and Ca(OH)2 react, the salt formed is ______.

a)

H2O

b)

CaCl

c)

CaCl2

d)

H(OH)2

12.

When Ba(OH)2 reacts with H2SO3, the salt formed is _______.

a)

Ba2(SO3)2

b)

BaSO3

c)

Ba(SO3)2

d)

Ba2SO3

13.

The name of H2S is _______.

a)

sulfuric acid

b)

sulfurous acid

c)

hydrosulfuric acid

d)

hydrosulfurous acid

14.

The name of H2SO3 is _______.

a)

sulfuric acid

b)

sulfurous acid

c)

hydrosulfuric acid

d)

hydrosulfurous acid

15.

The name of H2SO4 is _______.

a)

sulfuric acid

b)

sulfurous acid

c)

hydrosulfuric acid

d)

hydrosulfurous acid

16.

Which of the following is the weak acid?

a)

CH3NH2

b)

H2O

c)

CH3NH3+

d)

OH-

17.

Which of the following is the weak base?

a)

CH3NH2

b)

H2O

c)

CH3NH3+

d)

OH-

18.

Which of the following is the conjugate base?

a)

CH3NH2

b)

H2O

c)

CH3NH3+

d)

OH-

19.

Which of the following is the conjugate acid?

a)

CH3NH2

b)

H2O

c)

CH3NH3+

d)

OH-

20.

Which of the following is a binary acid?

a)

HBr

b)

HClO

c)

H2SO4

d)

H3PO4

21.

Which of the following is a oxyacid acid?

a)

HBr

b)

HCN

c)

H2S

d)

H3PO4

22.

Which of the following is the strongest conductor?

a)

a strong acid

b)

water

c)

a weak base

23.

A solution that conducts electricity is known as a(an) __________.

a)

metal

b)

nonmetal

c)

electrolyte

d)

insulator

24.

Which of the following is the strongest acid?

a)

1 M HCl

b)

2 M HCl

c)

3 M HCl

d)

They are all the same

25.

Which of the following is the strongest acid?

a)

an acid that dissociates 0%

b)

an acid that dissociates 10%

c)

an acid that dissociates 100%

d)

an acid that dissociates 1000%

26.

What color does a base turn in litmus?

a)

red

b)

blue

c)

pink

d)

green

27.

What color does a base turn in phenolphthalein?

a)

red

b)

blue

c)

pink

d)

green

28.

What color does an acid turn in litmus?

a)

red

b)

blue

c)

pink

d)

green

29.

How much more acidic is a pH = 2 compared to a pH =6?

a)

4 times

b)

10 times

c)

1000 times

d)

10000 times

30.

Solutions that are basic have a pH above 7. Another name for a basic solution is _______.

a)

acidic

b)

salty

c)

alkaline

d)

moderate

31.

In a basic solution....

a)

hydrogen ion concentration is higher than the hydroxide ion concentration

b)

hydroxide ion concentration is higher than the hydrogen ion concentration

c)

hydrogen ion concentration is equal to the hydroxide ion concentration

32.

Which types of substances can dissociate 100%?

a)

strong acid

b)

strong base

c)

weak acid

d)

weak base