Give the composition of LPG. Why is it considered a better fuel than coal?

LPG (Liquefied petroleum gas):

1. LPG mainly contains butane.
2. The domestic gas cylinder contains a mixture of liquefied butane, propane, and ethane.

LPG is a better fuel:

1. LPG produces no smoke and no pollution.
2. It is easy to handle and convenient to use.
3. It is used in the domestic cylinder for cooking.
4. LPG has a high calorific value.
5. Production of LPG can be done on a large scale.
6. LPG can be liquefied easily.
7. Due to these reasons, LPG is considered to be a better fuel.