Consider the following statements :1. Alum coagulation decreases the alkalinity of water.2. Alum coagulation increases permanent hardness of water.3. Alum coagulation decreases pH of water.4. Alum coagulation produces aluminium hydroxide flocks in the flocculation process.Which of the statements given above are correct

Comments and Answers (2)

Archana

Archana

please anyone explain this answer

Andy

Andy

What is the correct solution?

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