Question

11. Several factories were pouring their wastes in rivers A and B. Water
samples were collected from these two rivers. It was observed that sample
collected from river A was acidic while that of river B was basic. The
factories located near A and B are
(a) Soaps and detergents factories near A and alcohol distillery near B.
(b) Soaps and detergents factories near B and alcohol distillery near A.
(c) Lead storage battery manufacturing factories near A and soaps and
detergents factories near B.
(d) Lead storage battery manufacturing factories near B and soaps and
detergents factories near A.​

Answer 1

Answer:

I have written in exam is b because soaps produce basic oxide