. Find out the wrong statements and write them in their correct form


(1) We can survive for some time without air but we cannot survive even for a few minutes without food.

(2) A brick kiln emits lot of smoke and other harmful gases causing air pollution.

(3) Carbon monoxide is produced by complete burning of fuels such as coal, petrol, diesel.

(4) Chlorination is a commonly used chemical method for killing germs in water.

(5) Water which is suitable for drinking is called soft water.

 

Best Answer

Ans. Statements (b) and (d) are correct statements. The correct form of statements (a), (c) and (e) are as follows-

(a) We can survive for some time without food but we cannot survive even for a few minutes without air.

(c) Carbon monoxide is produced by incomplete burning of fuels such as coal, petrol, diesel.

(e) Water which is suitable for drinking is called potable water.

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