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Which of the following solutions can be treated by reduction or oxidation process?

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+1 vote
in Hazardous Waste Management by (63.0k points)
Which of the following solutions can be treated by reduction or oxidation process?

(a) Cyanide

(b) Lead

(c) Mercury

(d) Zinc

The question was asked during an online interview.

This interesting question is from Chemical Treatment topic in portion Chemical, Physical & Biological Treatment of Hazardous Waste Management

1 Answer

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by (424k points)
The correct option is (a) Cyanide

Easy explanation: Solutions containing hexavalent chromium, cyanides, sulphides and many organic wastes such as pesticides and phenols are treated by reduction or oxidation process.

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