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XII CHEMISTRY UNIT 3 PART 15 A

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The chlorine obtained by this method is dilute and is employed for the manufacture of----- *

a)

a.pottash alum

b)

b.washing soda

c)

c. baking powder

d)

d. bleaching powder.

2.

Chlorine is a greenish yellow gas with a------ *

a)

a.pungent irritating odour

b)

b.viscous liquid

c)

c.volcanic eruptions

d)

d.none

3.

Chlorine reacts with ammonia to give --------- *

a)

a.ammonium nitrate

b)

b.ammonium carbonate

c)

C.ammonium chloride

d)

d.ammonium oxalate

4.

The main source of chlorine is …………. *

a)

a.Sodium carbonate

b)

b.Sodium chloride

c)

c.Sodium iodide

d)

d.Sodium bicarbonate

5.

Chlorine is a …………. gas. *

a)

a. Blue yellow

b)

b. Red orange

c)

c.Green yellow

d)

d.Buevitrol

6.

Chlorine is soluble in water and its solution is referred as …………. *

a)

a.Washing soda

b)

b.Baking soda

c)

c.Chlorine water

d)

d.none

7.

Chlorine forms dioxygen when reacting with water in --------- *

a)

a. absence of sunlight

b)

b. presence of sunlight

c)

c. both (a) & (b)

d)

d. none

8.

Chlorine oxidises hydrogen sulphide to sulphur and liberates--------- from iodides and bromides. *

a)

a. slaked lime

b)

b. bromine and iodine

c)

c.chlorine and bromine

d)

d.none

9.

Chlorine burnt with turpentine it forms carbon and --------- *

a)

a.nitric acid

b)

b.sulphuric acid

c)

c.hydrochloric acid

d)

d.all the aboove

10.

Chlorine is -----times heavier than air. *

a)

a. 2.5

b)

b.3.5

c)

C.4.5

d)

d.8.5