Допоможіть, будь ласка!!! Вкажіть реакцію сполучення:
A Ca3P2 + HCl → CaCl2 +PH3;
Б K2O + P2O5 → K3PO4;
B H2O2 → H2 = O2↑;
Г CaCl2 + K3PO4 → Ca3(PO4)2 + KCl
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