Question

9.
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
Soaps and detergents factories near A and alcohol distillery near 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.
1
of initial substance rem
Answer: (c)
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Answer 1

Answer:

the answer is c lead storage......................