Question

The main constituent of petroleum gas is

• A. ethane
• B. propane
• C. methane
• D. Butane
• E. All the above

Answer 1

The correct option is D

Butane

1. Petroleum gas is obtained as a byproduct in the process of refining petroleum.
2. It consists mainly of hydrocarbons like butane and small fractions of ethane and propane.
3. Butane is also the main constituent of liquified petroleum gas (LPG) that is used for domestic purposes.
4. Natural gas mainly consists of methane and is obtained from earth either in isolation or along with petroleum deposits.

The main constituent of petroleum gas is butane.

Hence option D is the correct option.