Расставить коэффициенты, указать тип каждой реакции.

1) Fe(OH)3Fe2O3 + H2O
2) Al + O2Al2O3
3) HCl + Cr2O3CrCl3 + H2O

4) AgNO3 + Zn Ag + Zn(NO3)2
5) Mg(OH)2 + H3PO4 Mg3(PO4)2 + H2O
6) MnO2 + Al Mn + Al2O3

7) CH4 C + H2
8) F2+ H2O HF+О2
9) N2 + H2 NH3

10) Na2O + P2O5 Na3PO4
11) Н2О2 H2O + O2
12) MnO2 + H2 Mn + H2O

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