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6.2 Neutralisation

Total questions: 16

Worksheet time: 9mins

Name
Class
Date
1.

Complete the word equation below:

Acid + alkali --> ............... + water

a)

water

b)

salt

c)

gold

d)

metal

2.

.............................. + sodium hydroxide --> sodium chloride + water

a)

Nitric acid

b)

Sulphuric acid

c)

Hydrochloric acid

d)

Ethanoic acid

3.

Conditioners contain ........................ that neutralize shampoo on hairs.

a)

acid

b)

alkali

c)

vinegar

d)

natrium hydroxide

4.

Excess acids in stomach can be neutralized using ............

a)

antacid

b)

vinegar

c)

slaked lime

d)

hydrochloric acid

5.

The reaction between an acid and an alkali

produces salt and water. This reaction is called

a)

acidication

b)

neutralisation

c)

alkalisation

6.
What method is used to study the neutralisation reaction between an acid and an alkali?
a)
Evaporation
b)
Titration
c)
Sublimation
d)
Electrolisis
7.

If this product is detergent, most probably it is

a)

acid

b)

neutral

c)

Alkali

8.
products of a neutralisation reaction are always
a)
an acid and a base
b)
an acid and a salt
c)
salt and water
d)
salt and base
9.

Which of the following has a pH value of 7?

a)

acid

b)

alkaline

c)

water

10.

.............................. + sodium hydroxide --> sodium chloride + water

a)

Nitric acid

b)

Sulphuric acid

c)

Hydrochloric acid

d)

Ethanoic acid

11.

Sulphuric acid + potassium hydroxide --> ........................ + water

a)

potassium sulphate

b)

potassium sulphurate

c)

potassium nitrate

d)

magnesium hydroxide

12.

Toothpaste contain .................. that neutralize acid formed by bacteria.

a)

alkali

b)

acid

c)

antacid

d)

slaked lime

13.

Bee sting contain ............................ and can be neutralize using bicarbonate soda.

a)

alkali

b)

acid

c)

vinegar

d)

soda

14.
What is the salt formed when hydrochloric acid is added to sodium hydroxide?
a)
Potassium nitrate
b)
Sodium nitrate
c)
Sodium chloride
d)
Potassium chloride
15.

Where does the acid in you mouth come from?

a)

From stomach

b)

From stomach acid

c)

From the millions of

bacteria of mouth

d)

From the teeth

16.

Why is toothpaste alkaline?

a)

It can neutralise strong alkaline in

your mouth

b)

It can neutralise acid in

your mouth

c)

It can refresh your teeth

d)

Toothpaste is not alkaline.