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Science: Acid and Alkali

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

Examples of everyday acids are

a)

Orange

b)

Sulphuric acid

c)

Car battery

d)

Lemon

2.

Fizzy drinks and __________________ both contain _________ acid. (Please put a comma in between your two answers)

(a)  

3.

Alkali could also be known as

a)

Acid

b)

Weak acid

c)

Base

d)

Maze

4.

Types of Alkalis are

a)

Toothpaste

b)

Soap

c)

Lemon

d)

Oven cleaner

e)

carbonic acid

5.

Which indicator measures the strength of the acids or alkali?

a)

litmus paper

b)

pH scale

c)

phenolphthalein

d)

red cabbage juice.

6.

Which colour in the indicator means neutral?

a)

Blue

b)

Green

c)

Yellow

d)

Red

7.

What is the pH scale?

a)

A method for measuring the protons in a solution

b)

A measurement of how acidic or basic a liquid is

c)

A special microscope used to look at acids

d)

All of the above

8.

What measurement of the pH scale is considered a neutral liquid?

a)

0

b)

3

c)

7

d)

13

e)

9

9.

What measurement of the pH scale is considered a strong alkali liquid?

a)

5

b)

1

c)

12

d)

16

e)

14

10.

What measurement of the pH scale is considered a weak acid liquid?

a)

1

b)

8

c)

5

d)

12

11.

True or False: Acids with a low pH and bases with a high pH are considered very dangerous.

a)

True

b)

False

12.

What kind of acid is produced by our muscles when we exercise?

a)

Lactic acid

b)

Hydrochloric acid

c)

Boric acid

d)

Acetic acid

13.

What kind of acid is present in your stomach?

a)

Sulfuric acid

b)

Hydrochloric acid

c)

Citric acid

d)

Nitric acid

14.

Which of the following substances contain an alkali?

a)

Vinegar

b)

Baking soda

c)

Distilled water

d)

Coca-cola

15.

Which of the substances below is used to cure an alkali?

a)

Strong Acid

b)

Weak acid

c)

Strong Alkali

16.

What happens when an acid and an alkali gets mixed together?

a)

The substance becomes neutral

b)

The substance becomes acidic

c)

The substance becomes an alkali

d)

The substance causes an explosion.