five difference between coal & LPG ??
|It is a solid fuel.||It is compressed natural gas, it is in liquid form.|
|It is obtained from fossilized trees, plants and animals.||It is obtained from fractional distillation of crude oil.|
|It produces smoke and ash due to incomplete combustion.||It does not produce smoke due to complete combustion.|
|The ignition temperature is low.||The ignition temperature is high.|
|The amount of energy liberated is small.||The amount of energy liberated is high.|