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Sulfur dioxide

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Which air pollutants can cause acid rain?

a)

Nitrogen oxides and sulfur dioxide

b)

Sulfur dioxide and carbon monoxide

c)

Nitrogen oxides and ozone

d)

Sulfur dioxide and ozone

2.

Which of the following are properties of sulfur dioxide

a)

colourless

b)

chocking smell

c)

acidic gas

d)

odourless

3.

Sulfur dioxide dissolves in water to give

a)

sulfur trioxide

b)

sulfurous acid

c)

sulfuric acid

d)

insoluble in water

4.

Sulfur trioxide dissolves in water to give

a)

sulfur trioxide

b)

sulfurous acid

c)

sulfuric acid

d)

insoluble in water

5.

Sulfur dioxide turns acidified potassium dichromate from _____ to __________

a)

green to orange

b)

colourless to purple

c)

orange to green

d)

purple to colourless

6.

Sulfur dioxide turns acidified potassium permanganate from _____ to __________

a)

green to orange

b)

colourless to purple

c)

orange to green

d)

purple to colourless

7.

Sulfur dioxide solution needs to be prepared using the inverted funnel since it is

a)

denser than air

b)

does not dissolve

c)

highly soluble

d)

a gas

8.

When sulfur dioxide is bubbled through a solution of iron (III) sulfate it changes color to green. This is because sulfur dioxide is acting as a /an

a)

oxidising agent

b)

reducing agent

c)

dehydrating agent

d)

drying agent.

9.

Sources of sulfur dioxide in air

a)

vehicle exhaust

b)

fumes from factories

c)

volcanic eruptions

d)

aerosols propellants

10.

The presence of sulfur dioxide in the air can be reduced by using

a)

catalytic converters

b)

alkaline chimney filters

c)

renewable sources of energy

d)

desulfurised fuels