Introduction to Coal

Q.

Coal and petroleum are formed from the dead remains of organisms and are known as __________.

Q.

Air is

1. Exhaustible resources

2. Inexhaustible resources

3. Perishable resources

4. Both B and C

Q.

Which of the following source of energy is different from others?

1. Coal

2. Lignite

3. Petroleum

4. Plants

Q. Choose the correct statements from the following:
I - Coal and Petroleum are fossil fuels.
II - Fossil fuels are sources of energy.
III - Coal is obtained from the dead remains of plants and animals.
IV - Natural gas occurs in coal seams.

1. I, II and IV
2. I. II and III
3. III and IV
4. II and IV

Q. Choose the correct statements from the following:
I - Coal and Petroleum are fossil fuels.
II - Fossil fuels are sources of energy.
III - Coal is obtained from the dead remains of plants and animals.
IV - Natural gas occurs in coal seams.

1. II and IV
2. I, II and IV
3. I. II and III
4. III and IV

Q. Coal is an example of _______ natural resource.

1. inexhaustible
2. exhaustible
3. non-conventional
4. renewable

Q.

What is the purest variety of coal?

1. Peat

2. Bituminous

3. Lignite

4. Anthracite