State whether the following statement are True/False.
(i) We can survive for sometime without air but we cannot survive even for a few minutes without food.
(ii) A brick kiln emits lot of smoke and other harmful gases causing air pollution.
(iii) Carbon monoxide is produced by complete burning of fuels such as coal, petrol, diesel.
(iv) Chlorination is a commonly used chemical method for killing germs in water.
(v) Water which is suitable for drinking is called soft water.


(i) False.
We can survive for some time without food but we cannot survive even for a few minutes without air.
(ii) True.
(iii) False.
Carbon monoxide is produced by the incomplete burning of fuels such as coal, petrol, and diesel.
(iv) True
(v) False.
Water that is suitable for drinking is called potable water.

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Simply Easy Learning

Updated on: 10-Oct-2022

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