Coal and Petroleum Class 8

The resources which are present in unlimited quantity in nature and aren't likely to be exhausted by human activities are

• Exhaustible resources

• Natural resources

• Human resources

• Inexhaustible resources

The amount of these resources are limited and can be exhausted fast are

• Inexhaustible resources

• Man made resources

• Exhaustible resources

• Natural resources

________ is a combustible hard black rock.

• Petroleum

• Coal

• Natural gas

• Tungsten

Coal is formed from the remains of plants, it is called as a

Which of the following is true about Coal ?

• Exhaustible resource

• Coal energy is inexpensive

• Ointments

• Fuel to cook food

Useful products of coal are

• Petroleum

• Coke

• Lubrication

• Vaseline

The picture given here depicts

Disadvantages of coal are

• Create high levels of radiation.

• Greenhouse gas emissions

• Inexhaustible resource

• Higher carbon concentration

Tough, Porous, Black substance obtained by destructive distillation of coal is

• Coal

• Coke

• Coal tar

• Coal gas

_________ is obtained during the processing of coal to get coke.