Q. What are the main constituents of LPG?
Answer: Methane, Butane, Propane
Notes: LPG is composed hydrocarbons containing three or four carbon atoms. The normal components of LPG thus, are propane (C₃H₈), butane (C₄H₁₀) and Methane (CH₄). Small concentrations of other hydrocarbons may also be present.

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