What is added to the water treatment tank to settle the colloidal particles?

Only alum

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Only lime

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Alum and lime

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Potash

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Solution

The correct option is A Only alum
Alum easily binds with fine particles present in raw water to become larger particles that can be easily filtered. Lime on the other hand helps in neutralizing the effect of alum which is acidic in nature.

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What is added to the water treatment tank to settle the colloidal particles?

The correct option is A Only alumAlum easily binds with fine particles present in raw water to become larger particles that can be easily filtered. Lime on the other hand helps in neutralizing the effect of alum which is acidic in nature.

The correct option is A Only alum
Alum easily binds with fine particles present in raw water to become larger particles that can be easily filtered. Lime on the other hand helps in neutralizing the effect of alum which is acidic in nature.