Question

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Answer 1

Объяснение:

Ca + S = CaS

3Ca + 2P = Ca3P2

2Al + 3S = Al2S3

4Al + P4 = 4AlP

K + O2 = KO2

Mg + Cl2 =MgCl2

2H + Cl2 = 2HCl

N2 + O2 = 2NO

2Na + H2 = 2NaH

H2O + P2O5 = 2HPO3

B2O3 + 3H2O = 2H3BO3

Na2O + H2O = 2NaOH

P2O5 + 3H2O = 2H3PO4