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XI Che-Qiz20i

Total questions: 10

Worksheet time: 20mins

Name
Class
Date
1.

The chemical formula of hydrogen peroxide is ____.

a)

H2O

b)

H2O2

c)

CH4

d)

OH2

2.

Hydrogen peroxide is obtained by the electrolysis of ____.

a)

water

b)

sulphuric acid

c)

hydrochloric acid

d)

fused sodium peroxide

3.

In nuclear reactors, heavy water is used as a ----------.

a)

Fuel

b)

Oxidiser

c)

Reducer

d)

Moderator

4.

The oxide that gives H₂O₂ on treatment with dilute H₂SO₄ is --------.

a)

PbO2

b)

BaO2

c)

MnO2

d)

TiO2

5.

Hydrogen peroxide is ----------- Agent

a)

oxidising

b)

reducing

c)

both oxidising and reducing

6.

When sodium peroxide is treated with dilute sulphuric acid, we get -----------.

a)

sodium sulphate and water

b)

sodium sulphate and oxygen

c)

sodium sulphate, hydrogen and oxygen

d)

sodium sulphate and hydrogen peroxide

7.

.The dihedral O-O-H bond angle in solid H₂O₂ is -------.

a)

94.8o

b)

90.2o

c)

120o

d)

115o

8.

Hypo-phosphorus acid is a --------- acid.

a)

monobasic

b)

dibasic

c)

tribasic

9.

Hydrogen peroxide has a __________ structure.

a)

polar

b)

non polar

c)

ionic

d)

coordinate

10.

Which of the following is used to bleach paper and textiles?

a)

Sodium peroxide

b)

Calcium peroxide

c)

Barium peroxide

d)

Hydrogen peroxide