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Dried sludge can be used as _________

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Dried sludge can be used as _________

(a) Fertilizer

(b) Pesticide

(c) Reagent

(d) Medicine

This question was addressed to me in an online quiz.

The above asked question is from Biological Oxidation Process topic in section Water of Applied Chemistry

1 Answer

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Correct option is (a) Fertilizer

For explanation: Dried sludge can be used as the fertilizer. It is one of the main advantages. The sludge is de watered by the filtration in sand beds.

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