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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion \( (\boldsymbol{A}): \mathrm{ZnO} \) becomes yellow when it is heated.
Reason \( (\boldsymbol{R}) \) : \( \mathrm{NaCl} \) becomes yellow when heated in the presence of Napour due to anion vacancy.
_ In the light of the above statements, choose the most appropriate answer from the options given below:
(1) Both (A) and (R) are correct but (R) is not the correct explanation of \( (A) \).
(2) \( (A) \) is correct but \( (R) \) is not correct.
(3) \( (A) \) is not correct but \( (R) \) is correct.
(4) Both (A) and (R) are not correct.
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