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What is heavy water?

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in Chemistry – Class 11 by (148k points)
What is heavy water?

(a) HO

(b) OH

(c) DO

(d) D2O

I have been asked this question in semester exam.

My query is from Hydrogen in section Hydrogen of Chemistry – Class 11

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The correct option is (d) D2O

To explain: Heavy water is given by its chemical formula as D2O, it was discovered by Urey in the year 1932 and it can be prepared by exhaustive electrolysis of ordinary water using Nickel electrodes. It is generally colorless, odorless and tasteless liquid.

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