coal and petroleum

Front

Water is a ________

Back

Natural substance

Front

When coal burns in air then

Back

Carbon dioxide is formed

Front

PCRA stands for

Back

Petroleum Conservation Research Association

Front

What is obtained from coal tar?

Back

Naphthalene balls

Front

The slow process of conversion of dead vegetation into coal is called _____

Back

carbonisation

Front

Identify the substance which is tough, porous and black. It is almost a pure form of carbon.

Back

Coke

Front

Which of these is an exhaustible resource? Air, Coal, Water, Sunlight

Back

Coal

Front

Example of inexhaustible resources: Coal, Wind, Petrol, Diesel

Back

Wind

Front

In India, which association advises people on saving petrol or diesel while driving?

Back

Petroleum Conservation Research Association (PCRA)

Front

Petroleum product used in metalling of roads: Coke, Bitumen, Coal tar, Coal gas

Back

Bitumen