A gas that cannot be collected over water is (A) \( \mathrm{N}_{2} \) (B) \( \mathrm{PH}_{3} \) ...

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A gas that cannot be collected over water is
(A) \( \mathrm{N}_{2} \)
(B) \( \mathrm{PH}_{3} \)
(C) \( \mathrm{SO}_{2} \)
(D) \( \mathrm{O}_{2} \)
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