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Sulfur

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Sulfur is an element found in group

a)

4

b)

5

c)

6

d)

7

2.

This structure represent

a)

Rhombic sulfur

b)

Monoclinic sulfur

c)

Both

3.

This/these are observed when sulfur burns

a)

blue flame

b)

pungent gas

c)

turns from yellow to orange

d)

effervescence

4.

Which of these chemicals can be reacted to produce hydrogen sulfide gas

a)

sulfur

b)

iron (II) sulfide

c)

Hydrogen

d)

Hydrochloric acid

5.

Which of these chemicals can be reacted to produce sulfur doxide gas

a)

sodium sulfite

b)

sodium sulfate

c)

sulfur

d)

Hydrochloric acid

6.

Heating is not required to produce sulfur dioxide in the lab

a)

True

b)

False

7.

Which of the following proves the presence of sulfur dioxide

a)

Turns potassium dichromate from orange to green

b)

Turns damp litmus paper red

c)

Pungent gas

d)

Turns potassium permanganate from purple to colourless

8.

The inverted funnel method is used to prepare

a)

sulfur dioxide

b)

sulfurous acid

c)

sulfur trioxide

9.

When sulfur dioxide is reacted with iron (III ) sulfate, it acts as a

a)

oxidizing agent

b)

reducing agent

10.

The conditions for the contact process include

a)

450oC

b)

200 atm

c)

vanadium (V) oxide

d)

finely divided iron

11.

How many reactions are involved in the contact process

a)

3

b)

4

c)

5

12.

Oleum is

a)

H2S2O7

b)

H2SO4

c)

H2SO3

13.

Oil of vitrol is

a)

H2S2O7

b)

H2SO4

c)

H2SO3

14.

This is/ are an acid

a)

H2S2O7

b)

H2SO4

c)

H2SO3

15.

Which of these is true to dilute sulfuric acid

a)

monobasic

b)

dibasic

c)

weak acid

d)

strong acid

16.

Which of these is true to concentrated sulfuric acid

a)

Efflorescent

b)

Hygroscopic

c)

reducing agent

d)

Dehydrating agent

17.

In this reaction concentrated sulfuric acid is acting as a

a)

Drying agent

b)

Hygroscopic

c)

Oxidising agent

d)

Dehydrating agent

18.

In this reaction concentrated sulfuric acid is acting as a

a)

Drying agent

b)

Hygroscopic

c)

Oxidising agent

d)

Dehydrating agent

19.

In this reaction concentrated sulfuric acid is acting as a

a)

Drying agent

b)

Hygroscopic

c)

Oxidising agent

d)

Dehydrating agent

20.

The products of the reaction of potassium chloride and concentrated sulfuric acid are

a)

potassium sulfate

b)

potassium hydrogensulfate

c)

hydrogen chloride

d)

hydrochloric acid

21.

Concentrated sulfuric acid can be used to dry the following gases

a)

Ammonia

b)

Hydrogen

c)

Chlorine

d)

Oxygen

22.

This salt is prepared by which method of salt preparation

lead (II) sulfate

a)

Titration

b)

Precipitation

c)

'3 step' method

23.

This salt is prepared by which method of salt preparation

sodium (II) sulfate

a)

Titration

b)

Precipitation

c)

'3 step' method

24.

ammonium sulfate is used as a

a)

laxative

b)

fertiliser

c)

for plaster

25.

Which of the following gives a white insoluble precipitate barium chloride followed by an acid

a)

sodium sulfate

b)

sodium carbonate

c)

sodium sulfite