Class-8 - Chemistry - Chapter-3 - Coal and Petroleum

Petroleum is mainly a mixture of which one of the following class?

• Carbohydrates

• Carbon dioxide

• Hydrocarbons

• Alcohols

Which one is not a coal product?

• Coal tar

• Coal gas

• Lime

• Coke

Which one of the following is a petrochemical ?

• Ammonia

• Coke

• Acetone

• Paraffin wax

Conversion of dead vegetation into coal is called

• carbonization

• distillation

• coal gas

• natural gas

A natural gas stored under high pressure is called

(a)  

Products obtained by the process of destructive distillation are

• coke

• coal-tar

• coal gas

• petrol

• paraffin wax

Main constituent of LPG is

(a)  

Name the petroleum product used for surfacing of roads.

• Butane

• Anthracite

• Bitumen

• Hydrocarbon

Petroleum is found under the

• sedimentary rocks

• sand

• Metamorphic Rocks

• Ingenious Rocks

Least polluting fuel for vehicles is

• coke

• kerosene

• diesel

• CNG