Pollution of Air and Water

. Find out the wrong statements and write them in their correct
form.
(a) We can survive for some time without air but we cannot survive
even for a few minutes without food.
(b) A brick kiln emits lot of smoke and other harmful gases
causing air pollution.
(c) Carbon monoxide is produced by complete burning of fuels
such as coal, petrol, diesel.
(d) Chlorination is a commonly used chemical method for killing
germs in water.
(e) Water which is suitable for drinking is called soft water.