Give reasons :
Water is not used to control the fire involving electrical equipment.
Water is a conductor of electricity, so it can easily conduct electric current and causes danger of electric shocks.
Give reasons :
Paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not.
Give reasons :
LPG is a better domestic fuel than wood.
Compare LPG and wood as fuels.
Explain how the use of CNG in automobiles has reduced pollution in our cities.
