2Sn + O2 =2 SnO
SnO + 2HNO3 = Sn(NO3)2 + H2O
Sn(NO3)2 + 2NaOH = Sn(OH)2 + 2NaNO3
Sn(OH)2 + 2NaOH = Na2SnO2 +2 H2O
Na2SnO2 + 2H2SO4 =Na2SO4 + SnSO4 + 2H2O
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2Sn + O2 =2 SnO
SnO + 2HNO3 = Sn(NO3)2 + H2O
Sn(NO3)2 + 2NaOH = Sn(OH)2 + 2NaNO3
Sn(OH)2 + 2NaOH = Na2SnO2 +2 H2O
Na2SnO2 + 2H2SO4 =Na2SO4 + SnSO4 + 2H2O