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15 H 2S + HNO 3  H 2SO 4 + NO 2 + H 2O
16 K 2MnO 4 + H 2O  KMnO 4 + MnO 2 + KOH
17 H 2S + HNO 3  H 2SO 4 + NO 2 + H 2O
18 Zn + KMnO 4 + H 2SO 4  MnSO 4 + ...
19 Sb 2O 3 + Br 2 + KOH  KSbO 3 + KBr + H 2O
20 KMnO 4 + KNO 2 + H 2O  MnO 2 + ...
21 CuS + HNO 3  Cu(NO 3) 2 + S + NO + H 2O
22 KMnO 4 + H 2O 2 +H 2SO 4  MnSO 4 + K 2SO 4 + O 2 +...
23 KMnO 4 + KOH  K 2MnO 4 + O 2 + ...
24 KMnO 4 +MnSO 4 + H 2O  MnO 2 + K 2SO 4 + H 2SO 4
25 AgNO 3 + KOH + H 2O 2  Ag + HNO 3 + O 2
26 Zn + KNO 3 + KOH  K 2ZnO 2 + KNO 2 + ...
27 KBrO + MnCl 2 + KOH  KBr + MnO 2 + KCl + ...
28 KMnO 4 + H 2O 2  MnO 2 + KOH + O 2 +...
29 CrCl 3 + KMnO 4 + KOH  K 2CrO 4 + MnO 2 + KCl + ...
30 NaAsO 2 + I 2 + NaOH  Na 3AsO 4 + NaI + ...

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