Q21 of 269 Page 131

Why is LPG considered a good fuel?

Liquefied Petroleum Gas is considered a good fuel because of the following reasons:

a) LPG has a high calorific value. The calorific value of LPG is about 50 kj/g.

b) It is a very neat and clean domestic fuel. It burns with a smokeless flame and hence does not cause pollution.

c) It does not produce any poisonous gases on combustion.

d) LPG is easy to handle and convenient to store.

What are the various steps which can be taken to control (or reduce) pollution caused by burning fossil fuels?

If you could use any sources of energy for heating your food, which one would you use and why?

Why is LPG considered a better fuel than coal?

Why is the leakage of LPG detected easily although it is odorless? State the steps to be taken in case its leakage is detected in the kitchen.