1.

The river water is said to be polluted with acidic wastes if the pH of river water is: (a) zero (b) above 7 (c) below 7 (d) exactly 7

Answer»

The river water is said to be polluted with acidic wastes if the pH of river water is:
(a) zero
(b) above 7
(c) below 7
(d) exactly 7



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