Importance of CNG

Q. Read the following statements (A - D) related to fossil fuels and identify how many are incorrect?

A. CNG burns more efficiently than petrol.
B. Petrol is cheaper than CNG.
C. CNG can be adulterated easily.
D. Petrol burns more efficiently than CNG.

1. 1
2. 2
3. 3
4. 4

Q. Assertion :Compressed natural gas (CNG) is natural gas under pressure and mainly composed of methane. Reason: One of the advantages of using CNG as a fuel in automobiles is that it requires very less space for storage as compared to that of petrol or diesel.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Read the following statements (A - D) related to fossil fuels and identify how many are incorrect?

A. CNG burns more efficiently than petrol.
B. Petrol is cheaper than CNG.
C. CNG can be adulterated easily.
D. Petrol burns more efficiently than CNG.

1. 4
2. 1
3. 3
4. 2

Q. Which one is not an advantage of CNG over diesel?

1. Burns more efficiently
2. It is cheap
3. Cannot be siphoned off by thieves
4. Cannot be adulterated
5. Easy to lay down pipelines for delivery

Q. In the village area, people make cow-dung cakes and use it as a fuel for cooking. This irritates the eyes and causes lots of pollution.
Give any 2 benefits of your suggestion.

Q. Which of the following can be used as an alternative for fossil fuel in automobiles?

1. Ecological balance
2. Crossing over
3. Linkage
4. Mutation

Q. Which of the following can be used as an alternative for fossil fuel in automobiles?

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

Q. One of the following is not a possible reason for use of CNG in automobiles

1. It can be adulterated
2. It is cheaper than petrol
3. It burns more efficiency
4. It reduces pollution

Q.

Compressed Natural Gas is

1. ​​​​​​Methane

2. Butane

3. Ethane

4. Propane

Q.

Compressed Natural Gas is

1. Propane

2. ​​​​​​Methane

3. Butane

4. Ethane

Q.

Compressed Natural Gas is

1. Propane

2. ​​​​​​Methane

3. Butane

4. Ethane