Multiple choice

Which of the following are the major constituents of CNG?

  1. Methane and ethane

  2. Hydrogen, methane and carbon monoxide

  3. Hydrogen and carbon monoxide

  4. Butane and propane
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Compressed Natural Gas (CNG) is primarily composed of methane, with smaller amounts of ethane and other hydrocarbons.

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