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OpenStudy (anonymous):
Among the following, which is an oxidation-reduction reaction? A. Na2S + CaCO3 → CaS + Na2CO3 B. 2HNO3 + Mg(OH)2 → Mg(NO3)2 + 2H2O C. H2 + F2 → 2HF D. 3Ba(OH)2 + 2H3PO4 → Ba3(PO4)2 + 6H2O
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OpenStudy (abb0t):
D
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