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Question

Choose the correct answer form the alternatives given.
NH4Cl+(A)Microcosmicsalt
Heat
(B)Heat−−−+MnO(C)
Violet bead
(A), (B) and (C) respectively are :

A
Na3PO4,NaPO3,(Mn)3(PO4)2
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B
Na2HPO4,Na3PO4,Mn3(PO4)2
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C
Na2HPO4,NaPO3,Mn(PO3)2
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D
Na2HPO4,NaPO3,NaMnPO4
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