coal and petroleum

Petrolchemicals are used in the manufacture of

• polythene

• detergents

• fibres

• all of these

Hydrogen gas obtained from natural gas is used in

• motor fuel

• fertilizers

• paints

• stoves

Which gas is obtained during the processing of coal

• carbon dioxide

• coal gas

• carbon monoxide

• sulphur dioxide

Heavy motor vehicles like trucks run on

• petrol

• diesel

• coal

• coal tar

Petrol and diesel can be obtained from

• coal tar

• coal

• petroleum

• coal gas

Petroleum is formed from

• domestic animals

• organisms in sea

• wild animals

• insect

Petroleum is a mixture of

• petrol

• diesel

• petroleum gas

• all of these

The layer containing petroleum oil and gas is

• above that of water

• below water

• between water and sand

• below sand

Coal mainly contains

• hydrogen

• oxygen

• carbon

• sodium

Carbonisation is

• slow conversion of dead vegetation into coal

• deposition of soil

• falling of trees

• none of these