Question

suppose you asked to boil a given quantity of water using cow dungcake, coal and lpg as fuels .which fuel would you prefer?give reason

Answer 1

LPG will be preferred over cow dung and coal since it is cleaner fuel. It releases less pollutants as compared to cow dung and coal. Moreover, its calorific value is the highest.

Answer 2

we prefer lpg because it is a clean fuel and does not cause air pollution