Assertion (A): Beryllium carbonate is kept in the atmosphere of car...

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Assertion (A): Beryllium carbonate is kept in the atmosphere of carbon dioxide.

Reason (R) : Beryllium carbonate is unstable and decomposes to give beryllium oxide and carbon dioxide.
\( \mathrm{P} \)
W
(i) Both \( \mathrm{A} \) and \( \mathrm{R} \) are correct and \( \mathrm{R} \) is the correct explanation of \( \mathrm{A} \).
(ii) Both \( A \) and \( R \) are correct but \( \mathrm{R} \) is not the correct explanation of \( A \).
(iii) Both A and \( \mathrm{R} \) are not correct.
(iv) A is not correct but \( \mathrm{R} \) is correct.
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