Question

MCQ : ppm is a unit sometimes used to express the concentration level of pollutants in water

  • Water
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Answer

Question

ppm is a unit sometimes used to express the concentration level of pollutants in water. This ppm is equivalent to

  1. g/L
  2. kg/mL
  3. mL/L
  4. mg/dm3

Answer

mg/dm3

Explanation

ppm (parts per million) is equivalent to mg/dm3 (milligrams per cubic decimeter) as both represent the concentration of a substance in water.

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