Natural Gas

Q.

Name the different constituents of petroleum and their uses. [5 MARKS]

Q.

What are exhaustible natural resources? Give 4 examples. [3 MARKS]

Q.

Why is natural gas called a clean fuel ?

Q.

What are Inexhaustible natural resources? Give 2 examples. [3 MARKS]

Q.

State the various uses of natural gas.

Q.

What are the advantages of using CNG and LPG as fuels?

Q.

Name the major component of natural gas.

Q. Question 5 (b)
Give reason.
LPG is a better domestic fuel than wood.

Q. What are the uses of producer gas and water gas?

Q.

Explain:
Gaseous fuels.

Q.

What is coalification?

Q.

Hydrogen gas obtained from ________ is used in the production of fertilisers (urea).

1. Natural gas

2. Kerosene

3. Petroleum

4. Coal

Q.

Give Reason: LPG is a better domestic fuel than wood.

Q. Question 10
Which of the following is not a constituent of petroleum?

(a) Paraffin wax
(b) Lubricating oil
(c) Petrol
(d) Coke

Q.

Most industries are concentrated around coal mines. Give reasons.

Q. What is the percentage of methane in natural gas?

1. 100%
2. 80-90%
3. 20-40%
4. None of these

Q.

The fossil fuel P is formed under the earth by the decomposition of vegetable matter lying under water by the action of anaerobic bacteria. The major component of fuel P is Q. The fossil fuel P is used as a source of gas R needed to manufacture nitrogenous fertilisers. When P is filled in metal cylinders and used as a fuel in motor vehicles, it is called S. What are P, Q, R and S ?

Q.

Hydrogen has been used as a rocket fuel. Would you consider it a cleaner fuel than CNG? Why or why not?

Q.

Which constituent of petroleum is used in vaseline?

1. Diesel

2. Bitumen

3. Paraffin wax

4. Lubricating oil

Q. What is the actual composition of natural gas?

1. Methane (85%), ethane (10%), propane (3%) and small amount of butane.
2. Methane (10%), ethane (85%), propane (3%)
   and small amount of butane.
3. Methane, ethane (50%), propane (3%) and small amount of butane.
4. Methane (65%), ethane (20%), propane (10%) and butane (5%).

Q.

The calorific values of petrol and CNG are $45000\mathrm{kJ}{\mathrm{kg}}^{-1}$ and $50000\mathrm{kJ}{\mathrm{kg}}^{-1}$, respectively. If you have a vehicle which can run on petrol as well as CNG, which fuel will you prefer and why?

Q. ____ is a very important fossil fuel because it is easy to transport through pipes.

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

Q. Question 20
Sunlight and air are inexhaustible natural resources. Comment.

Q.

Where is natural gas found ? Why is natural gas called a clean fuel ?

Q. Which of the following is not a fossil fuel?

1. Hydrogen
2. Petrol
3. LPG
4. CNG

Q. Methane is the major product present in natural gas.

1. False
2. True

Q. Natural gas is majorly made up of a carbon compound called

1. propane
2. butane
3. methane
4. carbon dioxide

Q. all combustible material are not fuels. justify

Q.

LPG and CNG are combustible substances.

1. True
2. False

Q.

What is fuel?