1) SnO+2HCl=SnCl2 + H2O
2)SnCl2+NaOH=SnOHCL+NaCl
3)SnOHCl+HCl=SnCl2+H2O
4)SnCl2+2NaOH=Sn(OH)2+2NaCl
5)Sn(OH)2+2NaOH=Na2SnO2+2H2O
1) SnO+2HCl=SnCl2 + H2O
2)SnCl2+NaOH=SnOHCL+NaCl
3)SnOHCl+HCl=SnCl2+H2O
4)SnCl2+2NaOH=Sn(OH)2+2NaCl
5)Sn(OH)2+2NaOH=Na2SnO2+2H2O