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Worksheets

Acids and Bases

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Acids change

a)

Red litmus to Blue

b)

Blue litmus to Red

c)

Do not react with litmus

d)

Red litmus to yellow

2.

HCl + NaOH ———>

a)

H2O

b)

NaCl

c)

NaCl + H2O + Heat

d)

None of the above

3.

Identify odd one in the list

a)

Litmus solution

b)

Phenolphthalein solution

c)

Turmeric

d)

Distilled water

4.

Alkaline solutions have pH value

a)

< 7

b)

= 7

c)

> 7

d)

All of the above

5.

How do you treat a wasp sting ?

a)

Wash with baking soda solution

b)

Wash with soap water

c)

Wash with vinegar solution

d)

administer antacid

6.

Latin word acidus means

a)

Base

b)

salt

c)

heat

d)

Acid

7.

All oxides and hydroxides of metals are

a)

Acids

b)

Bases

c)

Salts

d)

None of the above

8.

Acids dissolve in water to give

a)

OH- ions

b)

H+ ions

c)

Alkaline solution

d)

Salt water

9.

Choose the correct statement

a)

All Bases are Alkalis

b)

All Alkalis are Bases

10.

The sharp pain due to sting of nettle leaves is due to

a)

Acetic acid

b)

Potassium Hydroxide

c)

Sodium Chloride

d)

Formic acid