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Worksheets

Exploring Acids and Bases

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

What are the common properties of acids?

a)

Turning red litmus paper blue

b)

Ability to absorb heat

c)

Bitter taste

d)

Common properties of acids include sour taste, ability to conduct electricity, proton donation, reaction with bases, and turning blue litmus paper red.

2.

How do acids typically taste?

a)

Bitter

b)

Sweet

c)

Salty

d)

Sour

3.

What is the pH range of acids?

a)

0 to 6.9

b)

7 to 14

c)

6.9 to 10

d)

-1 to 0

4.

What are the common properties of bases?

a)

Common properties of bases include: bitter taste, slippery feel, ability to change color of indicators, react with acids, and conduct electricity in solution.

b)

do not conduct electricity

c)

sticky feel

d)

sour taste

5.

How do bases typically feel to the touch?

a)

slippery or soapy

b)

cold and metallic

c)

rough and gritty

d)

sticky and tacky

6.

What is the pH range of bases?

a)

7 to 14

b)

1 to 14

c)

5 to 7

d)

0 to 6

7.

What happens during a neutralization reaction?

a)

An acid reacts with another acid to produce gas and a liquid.

b)

An acid reacts with a base to produce water and a salt.

c)

A base reacts with a salt to produce an acid and a base.

d)

An acid and a base react to form only carbon dioxide.

8.

What are the products of a neutralization reaction?

a)

Water and salt

b)

Acid and base

c)

Hydrogen and oxygen

d)

Carbon dioxide and water

9.

Name a common strong acid.

a)

Hydrochloric acid

b)

Nitric acid

c)

Acetic acid

d)

Sodium hydroxide

10.

Name a common weak acid.

a)

nitric acid

b)

hydrochloric acid

c)

acetic acid

d)

sulfuric acid

11.

What is a common strong base?

a)

Calcium carbonate (CaCO3)

b)

Ammonium sulfate ((NH4)2SO4)

c)

Potassium chloride (KCl)

d)

Sodium hydroxide (NaOH)

12.

What is a common weak base?

a)

Sodium hydroxide (NaOH)

b)

Ammonia (NH3)

c)

Calcium carbonate (CaCO3)

d)

Potassium hydroxide (KOH)

13.

What is the role of indicators in acid-base chemistry?

a)

Indicators measure the temperature of solutions.

b)

Indicators are used to increase the concentration of acids.

c)

Indicators neutralize strong bases during reactions.

d)

Indicators play a crucial role in acid-base chemistry by signaling pH changes through color changes.

14.

What color does litmus paper turn in an acid?

a)

Red

b)

Blue

c)

Green

d)

Yellow

15.

What color does phenolphthalein turn in a base?

a)

Yellow

b)

Blue

c)

Green

d)

Pink

16.

Which of these pH values represent an acid?

a)

7

b)

4

c)

8

d)

14