Multiple choice

A flocculating agent is added to a dispersion of solids in a liquid for the formation of flocs. Which among the following is used as a flocculating agent in the purification of drinking water ?

  1. Aluminium phosphate

  2. Aluminium phosphide (AlP)

  3. Aluminium selenide

  4. Aluminium sulphate
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Aluminium sulphate, is a chemical compound with the formula Al2(SO4)3. Aluminium sulphate is mainly used as a flocculating agent in the purification of drinking water and waste water treatment plants, and also in paper manufacturing.

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