CNG and Its Advantages

Q.

Indane gas is a mixture of____________ .

1. Butane and hydrogen

2. Butane and oxygen

3. Butane and propane

4. Methane and oxygen

Q.

An example of secondary fuel is

1. coal

2. water gas

3. natural gas

4. petroleum

Q.

Choose the incorrect statement from the following.

1. It is difficult to transport natural gas through pipes.

2. The disadvantage of natural gas is that it can not be used directly for burning in homes.

3. Natural gas is stored under high pressure as compressed natural gas.

4. Natural gas cannot be used for power generation.

Q. The primary cause for acid rain is due to the emission of:

1. oxygen
2. nitrogen
3. sulphur dioxide
4. carbon dioxide

Q.

What are the full forms of CNG and LPG? Write their uses? [3 MARKS]

Q.

Which fuel can be used in vehicles to reduce pollution?

1. LPG

2. Petrol

3. Diesel

4. CNG

Q. Which of the following is the least polluting fuel for vehicles?

1. Diesel
2. CNG
3. Kerosene
4. Petrol

Q. Which of the following gas is used in vehicles?

1. L.P.G
2. C.N.G
3. Nitrogen dioxide
4. Nitrogen

Q.

Least Polluting fuel for the vehicle is ___?

1. Kerosene

2. Petrol

3. Natural Gas

4. Vapour Gas

Q.

The major component of natural gas is ___ .

1. Methane

2. Carbon dioxide

3. Nitrogen

4. Ethane

Q.

Which among the following is considered as the cleanest fuel?

1. Cow dung cake

2. Petrol

3. Kerosene

4. Hydrogen gas

Q. What are the advantages of using CNG?

1. Less polluting fuel
2. Raw material for manufacturing chemicals and fertilisers
3. Highly flammable
4. Directly can be used as fuel for burning at home and factories

Q.

Question 4(iii).
Least Polluting fuel for the vehicle is ___?

Q. Which among the following are the uses of CNG?

1. Fuel in vehicles
2. Manufacturing of fertilisers
3. Manufacturing of chemicals
4. Fuel in rockets