Which of the following gases is the main constituent of natural gas?(a) Methane (b) Ethane (c) Propane (d) Butane
(a) Methane
Explanation
Natural gas - It is a colourless highly flammable gaseous hydrocarbon mixture consisting primarily of methane and ethane with smaller quantities of component gasses such as propane, butane, pentane, and hexane.
It is a non-renewable source of energy because it is a type of petroleum that commonly occurs in association with crude oil which is produced by geological processes.
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