September 2021 1 19 Report
14. H2SO, Cu2O → CuSO, SO2 + H2O
15. Si-NaOH
NaOH + H2O → Na2SiO3+H2
16.H2S + Fe2O3 - FeS + S + H2O.
17.Br2 - KOH → KBr03 + KBr + H2O
18. HNO3 + HI - HIO3 + NO2 + H2O
19. NO- KOH --KNO2+N2+H2O
20.K2S + HCIO
H2O - KCI + S + KOH
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