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(i)MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
Zn + KNO3 + KOH = NH3 + K2ZnO2 + H2O =>
4 Zn + KNO3 + 7 KOH = NH3 + 4 K2ZnO2 + 2 H2O
Cl2 + PbI2 = PbCl + I =>
Cl2 + 2 PbI2 = 2 PbCl + 4 I
CuCl2 + V2O3 = CuO + VCl3 =>
3 CuCl2 + V2O3 = 3 CuO + 2 VCl3
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
CaOCl2 + H2SO4 = CaSO4 + HCl + O2 =>
2 CaOCl2 + 2 H2SO4 = 2 CaSO4 + 4 HCl + O2
C3H6O2 + NH3 = NH3HC3H5O2 =>
C3H6O2 + NH3 = NH3HC3H5O2
K + F2 = FK2 =>
4 K + F2 = 2 FK2
ethoxyethane + oxygen = water + carbondioxide =>
CH3CH2OCH2CH3 + 6 O2 = 5 H2O + 4 CO2
FeS + O2 = FeO + SO2 =>
2 FeS + 3 O2 = 2 FeO + 2 SO2
Al + Br2 = AlBr4 =>
Al + 2 Br2 = AlBr4
Ca(NO3)2(aq) + Na3PO4(aq) = Ca3(PO4)2(s) + NaNO3(aq) =>
3 Ca(NO3)2(aq) + 2 Na3PO4(aq) = Ca3(PO4)2(s) + 6 NaNO3(aq)
HCl + K2Cr2O7 + PbCl2 = Cr2O3 + H2O + PbCl4 + KCl =>
8 HCl + K2Cr2O7 + 3 PbCl2 = Cr2O3 + 4 H2O + 3 PbCl4 + 2 KCl
Al2O3 + SiO2 = Al2O3SiO2 =>
Al2O3 + SiO2 = Al2O3SiO2
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
C2H5SH + O2 = CO2 + H2O + SO3 =>
C2H5SH + 5 O2 = 2 CO2 + 3 H2O + SO3
C5H11O + CH3COOH = C7H12O2 + H2O =>
16 C5H11O + 23 CH3COOH = 18 C7H12O2 + 26 H2O
HClO4(aq) + NaOH(aq) = H2O(l)NaClO4(aq) =>
HClO4(aq) + NaOH(aq) = H2O(l)NaClO4(aq)
H4S2 + Cl2 + O2 = H4S2Cl2O8 =>
H4S2 + Cl2 + 4 O2 = H4S2Cl2O8
Al{3+} + S{2-} = Al + S2 =>
4 Al{3+} + 6 S{2-} = 4 Al + 3 S2
N2 + H2O2 = N2O + H2O =>
N2 + H2O2 = N2O + H2O
C3H4 + Br2 = C3H4Br1 =>
2 C3H4 + Br2 = 2 C3H4Br1
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
S{2-} + Zn(NH3)4{2+} = ZnS + NH3 =>
S{2-} + Zn(NH3)4{2+} = ZnS + 4 NH3
MgO + HVO3 = Mg(VO3)2 + H2O =>
MgO + 2 HVO3 = Mg(VO3)2 + H2O
NaF + Li = Na2 + Li2F =>
2 NaF + 4 Li = Na2 + 2 Li2F
KNO3 + Sn = KNO2 + SnO2 =>
2 KNO3 + Sn = 2 KNO2 + SnO2
K2Cr2O7 + NaOH = H2O + K2CrO4 + Na2CrO4 =>
K2Cr2O7 + 2 NaOH = H2O + K2CrO4 + Na2CrO4
NaCl(s) + F2(g) = NaF(s) + Cl2(g) =>
2 NaCl(s) + F2(g) = 2 NaF(s) + Cl2(g)
KMnO4 + H2SO4 + C6H8O7 = MnSO4 + KCH3COO + CO2 + H2O =>
18 KMnO4 + 18 H2SO4 + 13 C6H8O7 = 18 MnSO4 + 18 KCH3COO + 42 CO2 + 43 H2O
SrOH + HF = H2O + SrF =>
SrOH + HF = H2O + SrF
SiAg + NaCl = SiNa + AgCl =>
SiAg + NaCl = SiNa + AgCl
Zn(OH)2 + HNO3 = H2O + Zn(NO3)2 =>
Zn(OH)2 + 2 HNO3 = 2 H2O + Zn(NO3)2
(NH4)3PO4 = H3PO4 + NH3 =>
(NH4)3PO4 = H3PO4 + 3 NH3
Al2(SO4)3 + HBr = AlBr3 + H2(SO4) =>
Al2(SO4)3 + 6 HBr = 2 AlBr3 + 3 H2(SO4)
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
Na2SO4 + Fe(C2H3O2)3 = Fe2(SO4)3 + NaC2H3O2 =>
3 Na2SO4 + 2 Fe(C2H3O2)3 = Fe2(SO4)3 + 6 NaC2H3O2
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
CO2 + Na = Na2CO3 + C =>
3 CO2 + 4 Na = 2 Na2CO3 + C
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
CuCl2 + H2O + Fe = Fe2O3 + HCl + Cu =>
3 CuCl2 + 3 H2O + 2 Fe = Fe2O3 + 6 HCl + 3 Cu
PdCl2 + HNO3 = Pd(NO3)2 + HCl =>
PdCl2 + 2 HNO3 = Pd(NO3)2 + 2 HCl
MgO + HVO3 = Mg(VO3)2 + H2O =>
MgO + 2 HVO3 = Mg(VO3)2 + H2O
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KHSO4 + Ba(HCO3)2 = BaSO4 + CO2 + K2SO4 + H2O =>
2 KHSO4 + Ba(HCO3)2 = BaSO4 + 2 CO2 + K2SO4 + 2 H2O
KNO3 + Sn = KNO2 + SnO =>
KNO3 + Sn = KNO2 + SnO
Fe2(SO4)3 + NaHSO3 = Na2SO4 + SO2 + Fe(OH)3 =>
Fe2(SO4)3 + 6 NaHSO3 = 3 Na2SO4 + 6 SO2 + 2 Fe(OH)3
FeCl3 + KMnO4 = Fe(MnO4)3 + KCl =>
FeCl3 + 3 KMnO4 = Fe(MnO4)3 + 3 KCl
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