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Chemistry Acids, Bases and Salts CBSE Board 2026 Easy

Rain water is called ‘acid rain’ when its:

Rain water is called ‘acid rain’ when its :
  1. (a)pH falls below 7.2.
  2. (b)pH falls below 14.
  3. (c)pH is above 7.
  4. (d)pH falls below 5.6.

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