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CBSE Class 10 Science 2020 · Paper 31/3/1 · Question 9

Acids, Bases and Salts 1 mark Medium
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
  1. (a)Soaps and detergents factories near A and alcohol distillery near B.
  2. (b)Soaps and detergents factories near B and alcohol distillery near A.
  3. (c)Lead storage battery manufacturing factories near A and soaps and detergents factories near B.
  4. (d)Lead storage battery manufacturing factories near B and soaps and detergents factories near A.

Answer

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

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