Multiple choice

Which of the following statements is/are false?

a. Discharge of treated sewer in the water bodies is the main cause of water pollution. b. In sedimentation tanks, the floating materials like oil and grease are removed by a skimmer. c. The water obtained after scraping and skimming is called clarified water.

  1. Only a

  2. Both a and b

  3. Only b

  4. Both b and c

  5. Only c

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct option as this statement is false. Discharge of untreated sewer in the water bodies is the main cause of water pollution.