1)H2S+Zn=ZnS+H2
2)ZnS + 4HCl= ZnCl2+ H2S
3)ZnCl2+H2SO4= ZnSO4+ 4HCl
4)ZnSO4+2NaOH= Zn(OH)2+Na2SO4
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Answers & Comments
1)H2S+Zn=ZnS+H2
2)ZnS + 4HCl= ZnCl2+ H2S
3)ZnCl2+H2SO4= ZnSO4+ 4HCl
4)ZnSO4+2NaOH= Zn(OH)2+Na2SO4