1)2P+3Mg=Mg3P2
2)Mg3P2+6HCl=3MgCl2+2PH3
3)2PH3+4O2=P2O5+3H2O
4)P2O5+3CaO=Ca3(PO4)2
5)Ca3(PO4)2+3SiO2+5C=3CaSiO3+2P+5CO
1)2P+3Mg=Mg3P2
2)Mg3P2+6HCl=3MgCl2+2PH3
3)2PH3+4O2=P2O5+3H2O
4)P2O5+3CaO=Ca3(PO4)2
5)Ca3(PO4)2+3SiO2+5C=3CaSiO3+2P+5CO