7. Assertion (A): Zinc reacts with sulphuric acid to form zinc sulphate and hydrogen gas and it is a displacement reaction. Reason (R): Zinc reacts with oxygen to form zinc oxide. (a) Both (A) and (R) are correct and (R) is the correct explanation of (A). (b) Both (A) and (R) are correct but (R) is not the correct explanation of (A). (c) Only (A) is correct and (R) is incorrect. (d) Only (R) is correct and (A) is incorrect.
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(b) Both (A) and (R) are correct but (R) is not the correct explanation of (A).
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