Free Printable Sources of energy class 8

Worksheets

Name

Class

Date

Which is an almost pure form of carbon?

Coal tar

Coal gas

Coke

None of these

Which gas is obtained during the process of coal?

Carbon dioxide

Coal gas

Carbon monoxide

Sulphur dioxide

Petroleum is mixture of

Petrol

Diesel

Petroleum gas

All of these

Gas produced on burning of fossil fuels is

Hydrogen

Oxygen

Coal gas

Carbon dioxide

Which of them is used as solvent for dry cleaning?

Diesel

Petrol

Kerosene

Wax

Naphthalene balls are obtained from

Coal gas

Petroleum

Coke

Coal tar

Petroleum is known as

Liquid treasure

Liquid platinum

Liquid gold

Black gold

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