WBCS.LIVE practice question

permissible limit of Arsenic in drinking water:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 5 ppm
  2. 7.5 ppm
  3. 10 ppm
  4. 12.5 ppm

Correct answer and explanation

Correct answer: 5 ppm