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    Question

    Consider the following statements and choose the

    correct answer with the help of the codes given below: Assertion (A): Sodium metal is preserved in Airtight Furnace. Reason (R): Sodium becomes very reactive in air. Select the correct answer using the codes given below:
    A Both (A) and (R) are correct, (R) is the correct explanation of (A) Correct Answer Incorrect Answer
    B Both (A) and (R) are correct but (R) is not the correct explanation of (A) Correct Answer Incorrect Answer
    C (A) is correct but (R) is incorrect Correct Answer Incorrect Answer
    D (A) is incorrect but (R) is correct. Correct Answer Incorrect Answer

    Solution

    Sodium metal is preserved in 'Kerosene Oil' because Sodium becomes very reactive in air.

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