1. Zn+Hg(NO3)2=Zn(NO3)2+Hg
2. Fe+CuCl2=FeCl2+Cu
3. 2NaOH+MgCl2=2NaCl2+Mg(OH)2
4. Ba(OH)2+Na2SO4=BaSO4+2NaOH
5. 3KOH+Al(NO3)3=3KNO3+Al(OH)3
6. KCl+AgNO3=KNO3+AgCl
7. CaI2+Pb(NO3)2=Ca(NO3)2+PbI2
8. 3Al2(SO4)3+6Na3PO4=9Na2SO4+2Al3(PO4)3
9. 2HCl+Na2S=2NaCl+H2S
10. H2SO4+BaCl2=BaSO4+2HCl
11. K2SO3+2HNO3=2KNO3+SO2+H2O
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Answers & Comments
1. Zn+Hg(NO3)2=Zn(NO3)2+Hg
2. Fe+CuCl2=FeCl2+Cu
3. 2NaOH+MgCl2=2NaCl2+Mg(OH)2
4. Ba(OH)2+Na2SO4=BaSO4+2NaOH
5. 3KOH+Al(NO3)3=3KNO3+Al(OH)3
6. KCl+AgNO3=KNO3+AgCl
7. CaI2+Pb(NO3)2=Ca(NO3)2+PbI2
8. 3Al2(SO4)3+6Na3PO4=9Na2SO4+2Al3(PO4)3
9. 2HCl+Na2S=2NaCl+H2S
10. H2SO4+BaCl2=BaSO4+2HCl
11. K2SO3+2HNO3=2KNO3+SO2+H2O