Chemistry · Environmental Chemistry
Match the pollutant concentration limits in drinking water (List-I) with their associated health effects (List-II) according to standard environmental norms: List-I (Pollutant) A) Pb > 50 ppb B) SO42- > 500 ppm C) NO3- > 50 ppm D) F- > 2 ppm List-II (Effect) I) Brown mottling of teeth II) 'Blue baby' syndrome (Methemoglobinemia) III) Laxative effect IV) Liver and kidney damage
- 1A-II, B-III, C-IV, D-I
- 2A-III, B-IV, C-I, D-II
- 3A-IV, B-III, C-I, D-II
- 4A-IV, B-III, C-II, D-I✓
Correct answer
A-IV, B-III, C-II, D-I
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