Give reasons :
LPG is a better domestic fuel than wood.
LPG has more calorific value and produces no pollution. Hence, it is better domestic fuel than wood.
Explain how the use of CNG in automobiles has reduced pollution in our cities.
Give reasons :
Water is not used to control the fire involving electrical equipment.
Compare LPG and wood as fuels.
Give reasons :
Paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not.
