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Question: Answered & Verified by Expert
Assertion : Water is used as a moderator in nuclear reactor.
Reason : Moderator is a light substance that absorb neutrons.
ChemistryHydrogenAIIMSAIIMS 2001
Options:
  • A If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
  • B If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
  • C If Assertion is true but Reason is false.
  • D If Assertion is false but Reason is true.
Solution:
1218 Upvotes Verified Answer
The correct answer is: If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
Heavy water is used as a moderator in nuclear reactors to absorb high speed neutrons. So that they slow down the rate of nuclear reaction.

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