In the reactor of a nuclear power plant, name the material which is used :

(a) As a moderator


(b) To absorb radiations


(c) In the fuel rods


(d) In the control rods


(e) To carry away heat

(a) Graphite is used as a moderator.

(b) Concrete are used to absorb the radiations


(c) U-235 is used in control rods


(d) Boron can be used as control rods


(e) Liquid sodium is used to carry away heat.


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