question_answer

In nuclear power reactors,

(i) Uranium-235 is used as the fission material

(ii) Graphite is used as a moderator

(iii) Rods of cadmium are used to control the rate of nuclear reaction.

Which of the above statements are correct?

A) (i), (ii) and (iii)

B) (ii) and (ii)

C) (ii) and (iii)

D) (i) and (iii)