Hydrogen And Its Compounds Question 20
Question: $ D_2O $ is preferred to $ H_2O, $ as a moderator, in nuclear reactors because
Options:
A) $ D_2O $ slows down fast neutrons better
B) $ D_2O $ has high specific heat
C) $ D_2O $ is cheaper
D) None of these
Show Answer
Answer:
Correct Answer: D
Solution:
[d] $ H_2O $ absorbs neutrons more than $ D_2O $ and this decreases the number of neutrons for the fission process