Coal Gas

Q.

Write a short account of amorphous varieties of carbon and their uses.

Q.

what happens when coal is heated in air ? State the uses of coal.

Q. Water gas contains :

1. Hydrogen and carbon dioxide
2. Hydrogen and nitrogen
3. Hydrogen and carbon monoxide
4. None of the above

Q.

What are the constituents of coal gas ? State one use of coal gas.

Q. Coal gas mainly contains :

1. Hydrogen, methane and carbon dioxide
2. Hydrogen, methane and nitrogen
3. Methane and nitrogen
4. Hydrogen, methane and carbon monoxide

Q.

Write 'true' or 'false' against the following statements :

(a) Charcoal is a good adsorbent.

(b) Coke is obtained by destructive distillation of sugar.

(c) Activated charcoal is a good conductor of electricity.

(d) Wood charcoal is an important constituent of gun powder.

(e) Coal gas is used in the preparation of artificial fertilizers.

Q.

Which gas is obtained during the processing of coal to get coke?

1. Coal gas

2. Natural gas

3. Nitrogen gas

4. Compressed natural gas

Q. Producer gas contains mainly ___________.

1. nitrogen and carbon dioxide
2. hydrogen and carbon dioxide
3. nitrogen and carbon monoxide
4. hydrogen and nitrogen

Q.

Describe the characteristics and uses of coke.

Q.

Which substance is formed by the carbonization of dead vegetation?

1. coal

2. coke

3. coal gas

4. coal tar

Q.

Naphthalene balls are obtained from coal tar and are used as

1. mosquito repellant

2. honey bee repellant

3. moth repellant

4. snake repellant

Q.

Out of the following distillates of coal, which one readily undergo combustion?

1. Coke

2. Coal tar

3. Coal gas

4. Ammoniacal solution

Q.

13. Composition of water gas is ________.

Q. Coal is a substance mainly containing carbon also having oxygen, hydrogen, nitrogen and _______.

1. sodium
2. chlorine
3. aluminium
4. sulphur

Q. Which of the following contains methane, hydrogen and carbon dioxide?

1. Producer gas
2. Water gas
3. Coal gas
4. Bio gas

Q.

Producer gas is a mixture

1. $\mathrm{CO}+{\mathrm{N}}_2$

2. $\mathrm{CO}+{\mathrm{H}}_2$

3. $\mathrm{CO}+{\mathrm{H}}_2+{\mathrm{CH}}_4$

4. $\mathrm{CO}+{\mathrm{H}}_2+{\mathrm{N}}_2$

Q. Assertion: Coal gas is a mixture of methane, hydrogen and carbon monoxide.
Reason: It is obtained when coal is burnt in excess of air.

1. Both assertion and reason are correct and the reason is the correct explanation of assertion.
2. Both assertion and reason are correct, but the reason is not the correct explanation of assertion.
3. Assertion is correct but the reason is incorrect
4. Assertion is incorrect but the reason is correct.

Q. Coke is used in the manufacture of ______.

1. steel
2. potassium
3. sodium
4. mercury

Q. Coking coal is used for making iron. It was invented by Abraham Darby of England when he added to coal the right proportion of:

1. lime
2. copper
3. sulphur
4. steam

Q.

What is water gas?

Q.

What are the constituents of the producer gas?

1. Carbon dioxide & Nitrogen
2. Carbon monoxide & Nitrogen
3. Carbon dioxide & Oxygen
4. Carbon monoxide & Oxygen

Q. Coal gas is a mixture of

1. $C{H}_4\left(Methane\right)+H_2+CO$
2. $C_4{H}_{10}\left(Butane\right)+H_2+CO$
3. $C_4{H}_{10}\left(Butane\right)+H_{2}O$
4. $C_2{H}_6\left(Ethane\right)+H_2+O_2$

Q. Water gas contains :

1. Hydrogen and carbon dioxide
2. Hydrogen and nitrogen
3. Hydrogen and carbon monoxide
4. None of the above

Q. Destructive distillation of coal produces:

1. Coal gas
2. Natural gas
3. Bio gas
4. Petroleum gas

Q. Coal is obtained by:

1. none of above
2. carbonization
3. refining
4. decomposition of dead aquatic animals

Q. ___ is obtained during the processing of coal to get coke.

1. Lubricants
2. Paraffin wax
3. Crude oil
4. Coal gas

Q. A mixture of ______ and ______ is known as water gas.

1. carbon monoxide, hydrogen
2. Carbon dioxide, hydrogen
3. Carbon dioxide, nitrogen
4. Carbon monoxide, nitrogen

Q. Which of the following is obtained during the processing of coal to obtain coke?

1. Producer gas
2. Water gas
3. Consumer gas
4. Coal gas

Q. Water gas consists of:

1. water vapour and coal dust
2. a mixture of carbon monoxide and hydrogen
3. a mixture of carbon monoxide and nitrogen
4. water vapour and methane

Q. Which gas among the following is used as fuel in industries?

1. Air
2. Coal gas
3. Nitrogen gas
4. Carbon dioxide gas