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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 both assertion and reason are false.
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In 2nd compounds one I think A is correct but R is false. In 4th both A and R are false
Explanation:
As compound is a pure substance(2 question)
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