Coal

Q. When the coal is burnt in the absence of oxygen, this process is called___________.

1. carbonization
2. fractional distillation
3. sedimentation of coal
4. destructive distillation of coal

Q. Which of the following is not a by product of destructive distillation of coal?

1. Coal tar
   
2. Graphite
   
3. Coal gas
4. Coke

Q. The figure given below is the laboratory setup for destructive distillation of coal. Gas X is known as

1. X is carbon monoxide gas.
2. X is carbon dioxide gas.
3. X is producer gas.
4. X is coal gas.

Q.

Which of the following are obtained by destructive distillation of coal?

1. Lamp Black

2. Coke

3. Coal Tar

4. Coal gas

Q. Heating of coal in the absence of air is called distillation.

1. destructive
2. carbonised
3. fractional

Q. Different types of coal that are found in nature are:

1. Peat
2. Lignite
3. Lime
4. Anthracite

Q. Which of the following is an alternative fuel?

1. Coal
2. Gasoline
3. Hydrogen
4. LPG

Q.

Which of the following is a heterogeneous mixture of decomposed plant material that is accumulated in water, in the absence of air?

1. Peat
2. Fossil fuel
3. Coke
4. Charcoal

Q.

Various types of coals are obtained from mining. Name the type of coal which has the highest carbon content.

1. Peat
2. Bituminous
3. Lignite
4. Anthracite

Q. Which of the following statements is true regarding coal?

1. Among all the crystalline and amorphous forms of carbon, coal is the purest.
2. The destructive distillation of coal gives coke, graphite and soot.
3. Coal is formed when wood is burnt in excess air.
4. Coal is formed from the slow decomposition of plants under the influence of pressure and excess oxygen.

Q.

Describe the preparations of lampblack, coke, and gas carbon.

Q.

The naturally formed amorphous form of carbon is ________

Q.

In the conversion of wood into coal, it is first converted into a spongy material called (a)_______, then (b) __________ and finally (c) ____________.

Q.

Which of the following metal is used in the figure given below?

1. Mercury

2. Lead

3. Iodine

4. Coal

Q. Among the following four types/grades of coal, which has the highest carbon content?

1. Anthracite
2. Lignite
3. Bituminous
4. Peat

Q.

Identify the fossil fuel from the options given below:

1. Water
2. Coal

3. Wood

4. Sulphur dioxide

Q.

Wood charcoal is used in the

1. purification of water

2. manufacture of tyres

3. cutting of glass

4. manufacture of coke

Q. The naturally occuring amorphous form of carbon is:

1. Coal
2. Soot
3. Gas carbon
4. Coke

Q.

Various types of coals are obtained from mining. Name the type of coal which has the highest carbon content.

1. Peat
2. Bituminous
3. Lignite
4. Anthracite

Q. _____ is the deposit formed on the sides of retorts after the destructive distillation of coal.

1. Gas carbon
2. Soot
3. Lampblack
4. Coke

Q.

Identify the fossil fuel from the options given below:

1. Water
2. Coal

3. Wood

4. Sulphur dioxide

Q. Which one of the following mineral is used for the production of Thermal Power ?

1. Coal
2. Uranium
3. Thorium
4. Crude Oil