. 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 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
 

Best Answer

Answer: a) Statement a) is wrong- We can survive for some time without food but we cannot survive even for a few minutes without air is the write statement.

b) Statement b) is true.
 
c) Statement c is wrong – Carbon monoxide is produced by incomplete burning of fuels such as coal, petrol, diesel is the right statement.
 
d) Statement d) is true
 
e) statement e) is a wrong statement- Water which is suitable for drinking is called potable water is the right statement.

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