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_______ is used for precipitation of heavy metals.

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in Hazardous Waste Management by (63.0k points)
_______ is used for precipitation of heavy metals.

(a) Calcium hydroxide

(b) Lime

(c) Potassium hydroxide

(d) Lead oxide

This question was posed to me in final exam.

Enquiry is from Chemical Treatment topic in section Chemical, Physical & Biological Treatment of Hazardous Waste Management

1 Answer

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by (424k points)
Right answer is (b) Lime

Easy explanation: The hydroxides or heavy metals are usually insoluble so lime or caustic soda is commonly used to precipitate them.

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