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Sn(OH)2+H2SO4---->SnSO4+2H2O
2Al+6HCl----->2AlCl3+3H2
2Na+H2O--->Na2O+H2
2HNO3+Ca(OH)2---->Ca(NO3)2+2H2O
Zn(OH)2+2HCl--->ZnCl2+2H2O
2K+H2SO4--->K2SO4+H2
Ca+H2O--->CaO+H2
3NaOH+H3PO4---><Na3PO4+3H2O
Zad2.
a) 3Ca(OH)2+ 2H3PO4 -> Ca3(PO4)2 + 6H20
b)K2O+H2O -> 2KOH
c)Sn(OH)2+H2SO4 -> SnSO4 + 2H2O
d)2Al+HCl -> 2AlCl3 + 3H2
e)2Na+2H2O -> 2nAOH + H2
f)2KOH+CO2 -> K2CO3 + H20
g)MgO+H2O -> Mg(OH)2
h)2HNO3+Ca(OH)2 -> Ca(NO3)2 + 2H20
i) Zn(OH)2+2HCL -> ZnCl2 + 2H20
j) 2K+H2SO4 -> K2SO4 + H2
k)Ca+2H2O -> Ca(OH)2 + H2
l)3NaOH+H3PO4 -> Na3PO4 + 3H20