укажите верную химическую реакцию и объясните почему:
А)NH₃+HNO₃=NH₄NO₂
Б)3Mg+P=Mg₃P₂
В)So₃+H₂O+NO₂=H₂SO₄+NO
Г)4NO+5O₂→→→2N₂O₅
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