Составьте уравнения химических реакций,схемы ниже:
1)Ca+... —>CaSO4 + H2
2)SO3+... —>CaSO4
3)N2O5+... —> Ca(NO3)2
4)CaO+... —> CaCO3
5)Ca(OH)2+...—>CaSO4 + H2O
6)P2O5+... —>Ca3(PO4)2 + H2O
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