निम्नलिखित में से कौन अम्लीय लवण नहीं है? (A) \( \mathrm{NaH}_{2} \mathrm{PO}_{2} \) (B) \( \mat...

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निम्नलिखित में से कौन अम्लीय लवण नहीं है?
(A) \( \mathrm{NaH}_{2} \mathrm{PO}_{2} \)
(B) \( \mathrm{NaH}_{2} \mathrm{PO}_{4} \)
(C) \( \mathrm{NaH}_{2} \mathrm{PO}_{3} \)
(D) इनमें से कोई नहीं
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