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The function of heavy water in a nuclear reactor is to

Nuclear Energy Technology, Science and Technology

The function of heavy water in a nuclear reactor is to?

(a)

Slow down the speed of neutrons.

(b)

Increase the speed of neutrons.

(c)

Cooldown the reactor.

(d)

Stop the nuclear reaction.

Explanation

Option (a) is correct: Heavy water (D2O) is used as a neutron moderator to slow down neutrons in a nuclear reactor.