Q. The control rods used in nuclear reactor are made of:

A
Barium
B
Cadmium
C
Uranium
D
Antimony
Solution:

Control rods are used in nuclear reactors to control the fission rate of uranium and/or plutonium. Their compositions includes chemical elements such as boron, cadmium, silver, and/or indium, that are capable of absorbing many neutrons without themselves fissioning.

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