Question

The major component of LPG is:
A.Methane
B.Ethane
C.Propane
D.butane

Answer 1

Hint: To answer this question, we should know about LPG and its components. We should know that it is a flammable mixture of hydrocarbon gases used as fuel in heating appliances, cooking equipment, and vehicles.

Step by step answer:
We should know that LPG stands for Liquefied petroleum gas or liquid petroleum gas. We are already familiar with it because we use LPG for cooking our food. The red cylinders that come to our home contain LPG. We should know that LPG is a flammable mixture of hydrocarbon gases.
We should know that LPG is composed of liquid or gas (vapour), depending on pressure and LPG gas temperature. In our home, the domestic LPG composition and the commercial LPG composition are typically the same propane, butane or a mixture of the two gases. LPG – Liquefied Petroleum Gas – is produced during natural gas processing and petroleum refining.
We should know that Liquefied Petroleum Gas – LPG – constituents are primarily propane, butane, butylene, propylene and mixtures of these gases. LPG gas constituents are produced from crude oil refining and natural gas processing. They are liquid under pressure and gas at room temperature and pressure.
We should note that in India we use a mixture of butane and propane. In India, we use 60% butane and 40% propane. So, the mixture of LPG major constituents is butane. The correct answer is option D.

Note: In its natural state, LPG is an odourless gas. The distinctive smell in propane that people associate with LPG is actually added to it as a safety measure. Without the addition of a smell in propane, leaking gas could collect without detection. The smell that we notice when there is a leak is actually the stench of an entirely different agent, called Ethyl Mercaptan. This substance is added to the gas when it leaves the main storage terminals.