Which of the following is chiefly present in LPG?

Correct answer: Butane

Explanation: The chief component of LPG (Liquefied Petroleum Gas) is Butane, along with a small proportion of Propane. 📚 Other Information: ▪️ LPG is a fossil fuel obtained during the refining of crude oil and natural gas. ▪️ It is used mainly for cooking, heating, and automotive fuel. ▪️ Stored in cylinders under moderate pressure in liquid form. ▪️ Butane is highly flammable and burns cleanly, producing less smoke. ▪️ LPG is odourless, but a chemical called Ethyl Mercaptan is added for leak detection. ▪️ LPG produces more heat and less residue compared to kerosene or coal. ▪️ Popular domestic brands in India include Indane, Bharat Gas, and HP Gas. ▪️ Its use is promoted under schemes like Ujjwala Yojana.