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What is the function of the control rods in a nuclear reactor? What substances are used to construct control rods? Why are these substances chosen?

User Dave Hein
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Answer: control rods regulate the rate of fission; graphite, carbon dioxide and water are usually chosen; they increase the chances of the molecules bombarding each other by slowing them down

Explanation: water is more practical because it acts as a coolant and as a heat exchanger.

User Aditya Kakirde
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