Question

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:

विकल्प

• Soaps and detergents factories near A and alcohol distillery near B.

• Soaps and detergents factories near B and alcohol distillery near A.

• Lead storage battery manufacturing factories near A and soaps and detergents factories near B.

• Lead storage battery manufacturing factories near B and soaps and detergents factories near A.

Answer 1

Lead storage battery manufacturing factories near A and soaps and detergents factories near B.

Explanation:

Lead–acid battery plants discharge sulfuric-acid-containing waste that makes nearby water acidic, while soaps and detergent factories release alkaline (basic) effluents, making the other river basic.