D2O is preferred to H2O, as a moderator, in nuclear reactors because

Question

D2O is preferred to H2O, as a moderator, in nuclear reactors because (A) D2O slows down fast neutrons better (B) D2O has high specific heat (C) D2O is cheaper (D) None of the

Tardigrade Admin · Accepted Answer

D2O absorbs neutrons more than H2O and this decreases the number of neutrons for the fission process.

Q. $D_{2} O$ is preferred to $H_{2} O$ , as a moderator, in nuclear reactors because

$D_{2} O$ slows down fast neutrons better

$D_{2} O$ has high specific heat

$D_{2} O$ is cheaper

None of the

$D_{2} O$ absorbs neutrons more than $H_{2} O$ and this decreases the number of neutrons for the fission process.

Q. D2​O is preferred to H2​O, as a moderator, in nuclear reactors because

D2​O slows down fast neutrons better

D2​O has high specific heat

D2​O is cheaper