question_answer

Which of the following statements is true?

(i) Chlorination makes the water safe for drinking

(ii) Chlorinated water is made by distillation

(iii) Water must be boiled for at least 10 minutes to make it fit for drinking

(iv) Potassium paramagnet is also used to kill germs in water

A)  (i), (iii), and (iv)     

B)  (i), (ii), and (iii)

C)  (i), (ii), (iii), and (iv)        

D)  (ii),(iii), and (iv)