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8 CuS + HNO 3  Cu(NO 3) 2 + S + NO + H 2O
Fe + HNO 3(р)  NH 4NO 3 + ...
t
KClO 3  ...
9 KMnO 4+PH 3 +H 2SO 4H 3PO 4+MnSO 4+K 2SO 4+ H 2O
Ca 3(PO 4) 2 + SiO 2 + C  CaSiO 3 + CO + P
KMnO 4  K 2MnO 4 + ...
10 FeSO 4 +K 2Cr 2O 7+H 2SO 4  Fe 2(SO 4) 3 + Cr 2(SO 4) 3+...
t
NH 4NO 2  ...
CrCl 2 + O 2 + HCl 
11 H 2S + HNO 3  H 2SO 4 + NO 2 + H 2O
K 2MnO 4 + H 2O  KMnO 4 + MnO 2 + KOH
Al + HNO 3(р)  N 2O + ...

12 H 2S + HNO 3  H 2SO 4 + NO 2 + H 2O
K 2MnO 4 + H 2O  KMnO 4 + MnO 2 + KOH
Al + HNO 3(р)  N 2O + ...
13 H 2O 2 + NO 2  HNO 3
PbO 2 + HCl  PbCl 2 + Cl 2 + H 2O
Zn + KMnO 4 + H 2SO 4  MnSO 4 + ...
14 Sb 2O 3 + Br 2 + KOH  KSbO 3 + KBr + H 2O
KClO  KClO 3 + KCl
KMnO 4 + KNO 2 + H 2O  MnO 2 + ...
15 KOH + Cl 2  KClO 3 + KCl + H 2O
H 2S + HNO 3  H 2SO 4 + NO 2 + H 2O
CrCl 2 + O 2 + HCl 

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