1.

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 a lot of smoke and other harmful gases causing air pollution.(c) Carbon monoxide is produced by the complete burning of fuels such as coal, petrol, diesel. (d) Chlorination is a commonly used chemical method for killing germs in the water.(e) Water that is suitable for drinking is called soft water

Answer» 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 a lot of smoke and other harmful gases causing air pollution.

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

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

(e) Water that is suitable for drinking is called soft water


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