What is used as moderator in nuclear reactor:

An isotope of hydrogen reacts with oxygen to give compound (A), which is used as a moderator in nuclear reactor. Like hydrogen, this isotope also undergoes addition reaction. It reacts with ethylene to give compound B, which is a saturated hydrocarbon. Identify the element A and B. A is radioactive.

Which allotrope of carbon is used as a moderator in the nuclear reactor?

Substance used as a moderator in nuclear reactor is-

A substance used as a moderator in nuclear reactors is

The moderator used in nuclear reactor is

Heavy water is used as a _____ in nuclear reactors.

Which allotrope of C is used as moderator in atomic reactors and as solid lubricant for heavy machinery?

Give an example of a moderator used in nuclear reactor.

Which of the following is used as neutron absorber in the nuclear reactor?