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Ответ

Ответ дан
svetka1574

Ответ:

Объяснение:

1) CaCO3

Mg3N2

Na2S

P2O5

2) PCl3, PCl5, Zn), CaCl2, SO2, SO3, MgCl2, NO2, N2O3, N2O5, N2O, CO, CO2

3) CaO, SiH4, HCl, CaC2, Ca3N2

4) Fe2O3, Al2O3, CaO

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