Question

Assertion: CNG is a better fuel than petrol.
Reason: The calorific value of CNG and petrol is 50000kJ/kg and 45000 kJ/kg respectively.

• A. Assertion: Correct
  Reason: Correct
  Reason is the correct explanation of assertion
• B. Assertion: Incorrect
  Reason: Correct
• C. Assertion: Incorrect
  Reason: Incorrect
• D. Assertion: Correct
  Reason: Incorrect
  Reason is not the correct explanation of assertion.

Answer 1

The correct option is A Assertion: Correct

Reason: Correct
Reason is the correct explanation of assertion
The amount of heat produced during the combustion of 1 kg of a substance is called its calorific value. An ideal fuel should have high calorific value.
Since, CNG has a higher calorific value than petrol, it is a better fuel.