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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2021 · Paper I, General Studies · Q40 of 120

Geo-Scientist Prelims 2021 General Studies Q40: The natural rain water has a pH value of:

QuestionEnvironmental chemistry / acid rain

The natural rain water has a pH value of:

  1. (a) 5.6
  2. (b) 6.5
  3. (c) 7.0
  4. (d) Zero

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