A) Statements (i) and (iii) are incorrect but (ii) is correct.
B) Statements (i) and (ii) are incorrect but (iii) is correct.
C) All statements are correct.
D) All statements are incorrect.
Correct Answer: A
Solution :
Chlorination is done to kill germs and bacteria in water.You need to login to perform this action.
You will be redirected in
3 sec