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D(2)O is preferred to H(2)O, as a modera...

`D_(2)O` is preferred to `H_(2)O`, as a moderator, in nuclear reactors because

A

`D_2O` slows down fast neutrons better

B

`D_2O` has high specific heat

C

`D_2O` is cheaper

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
`D_2O` absorbs neutrons more than `H_2O` and this decreases the number of neutrons for the fission process.
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