Concept:LPG (Liquefied Petroleum Gas) is a mixture of propane and butane, not methane. Methane is the main component of natural gas.Explanation:LPG is a clean fuel that burns with a blue flame and has a high calorific value. It is stored in cylinders under pressure as a liquid and evaporates into a vapour when used. LPG consists mainly of propane and butane, with small amounts of ethane and isobutane. Natural gas, on the other hand, is primarily methane. Since LPG does not contain methane, it cannot be methane emitting. Therefore, the statement "It is methane emitting" is not true for LPG.Answer:D. It is methane emitting