Control rods of calcium or boron are inserted into the nuclear reactor to absorb neutrons.
Control rods of calcium or boron are inserted into the nuclear reactor to absorb neutrons.
A. graphite
B. cadmium
C. uranium
D. barium
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Correct Answer - B
The control rods used in a nuclear reactor can be made up of cadmium because control rods absorbs fast moving neutrons.
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