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19. Rain is called acid rain when its: (a) pH falls below 7 (b) pH falls below 6 (c) pH falls below 5.6 (d) pH is above 7

19. Rain is called acid rain when its:
(a) pH falls below 7
(b) pH falls below 6
(c) pH falls below 5.6
(d) pH is above 7

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 8741 Points
one month ago
Answer: c

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