Which of the following is used as a coagulant in water treatment ?
Correct answer: C. Ferrous sulphate
- A. Chloramine
- B. Chlorine
- C. Ferrous sulphate
- D. Hydrogen peroxide
Explanation
Ferrous sulphate can destabilise suspended particles and is therefore used as a coagulant in water treatment. Chlorine and chloramine are mainly disinfectants, while hydrogen peroxide is an oxidising agent.
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