The major component of CNG is:
- ACO2
- BN2
- CH2
- DCH4
- ENone of the above/More than one of the above
Show answer and explanation
Correct answer: (d) CH4
Explanation
CNG (compressed natural gas) is mostly methane (CH₄), about 80–90%, stored at high pressure (200–250 bar).
It burns more cleanly than petrol and diesel, giving less carbon monoxide, unburnt hydrocarbons and particulates.