Chemical Process
In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

None of these
Diamine and the ring
Dibasic acid and the ring
Diamine and the dibasic acid

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Presence of carbonaceous matter in the sewage

All of these
Reduces sulphate ions to sulphides causing obnoxious smell
Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures
Increases the quantity of chlorine used for its purification

ANSWER DOWNLOAD EXAMIANS APP