An activated carbon is specially treated carbon which has the property of absorbing and attracting impurities. Which of the following points is / are not among the advantages of activated carbon?A. It minimizes the chlorine demand of treated waterB. It accelerates the coagulationC. Its overdose is harmful

An activated carbon is specially treated carbon which has the property

1.	An activated carbon is specially treated carbon which has the property of absorbing and attracting impurities. Which of the following points is / are not among the advantages of activated carbon?A. It minimizes the chlorine demand of treated waterB. It accelerates the coagulationC. Its overdose is harmful
A.	Only B
B.	A and C
C.	Only C
D.	Only A
Answer» D. Only A