Question

31. Ordinary water, when compared to heavy water used in nuclear reactor is :
(a) Several times lighter
(6) Marginally lighter
(c) Half as heavy
(d) As heavy because chemically both are the same​

Answer 1

Answer:

hydrogen atoms and one oxygen atom.

...in ordinary water, each hydrogen atom has just a single proton in its nucleus. in heavy water, each hydrogen atom is indeed heavier, with a neutron as well as a proton in its nucleus

Explanation:

Explaination is image

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Answer 2

I m confuse .... I think Option d is right