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निम्नलिखित में त्रि-भस्मीय कौन है? (a) H3PO2 (b) H3PO3 (c) H4P2O7 (d) H3PO4

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निम्नलिखित में त्रि-भस्मीय कौन है?

(a) H3PO2

(b) H3PO3

(c) H4P2O7

(d) H3PO4

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1 Answer

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by (59.3k points)

सही विकल्प है (d) H3PO4

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