In this article, you will find balanced chemical reactions that will help you score good marks in the examinations.
25 examples of balanced chemical equations with answers
1. HNO3 +Ca(OH)2 →Ca(NO3)2 + H2O
Ans . 2HNO3 +Ca(OH)2 →Ca(NO3)2 + 2H2O
Ans. 2NaOH + H2SO4 →Na2SO4 + 2H2O
Ans. NaCl +AgNO3 →AgCl + NaNO3
Ans. - BaCl2 + H2SO4 →BaSO4
+ 2HCl
Ans. Ca(OH)2 +CO2 →CaCO3 + H2O
6. Zn + AgNO3 →Zn(NO3)2 + Ag
Ans. Zn + 2AgNO3 →Zn(NO3)2 + 2Ag
7. Al + CuCl2 →AlCl3 + Cu
Ans. 2Al + 3CuCl2 →2AlCl3 + 3Cu
8. BaCl2 + K2SO4 →BaSO4 +KCl
Ans. BaCl2 + K2SO4 →BaSO4 +2KCl
9. Ba(OH)2 + HBr →BaBr2 + H2O
Ans. Ba(OH)2 + 2HBr →BaBr2 + 2H2O
10. KCN+ H2SO4 →K2SO4 + HCN
Ans. 2KCN+ H2SO4 →K2SO4 + 2HCN
11. Al + HCl →AlCl3 +H2
Ans. 2Al + 6HCl →2AlCl3 + 3H2
12. CH4+ O2 →CO2 + H2O
Ans. CH4+ 2O2 →CO2 + 2H2O
13. Fe +O2 →Fe2O3
Ans. 4Fe + 3O2 →2Fe2O3
14. HgCl2 + SnCl2 →Hg2Cl2 + SnCl4
Ans. 2HgCl2 + SnCl2 →Hg2Cl2 + SnCl4
15. Al2O3 + H2SO4 →Al2(SO4)3 + H2O
Ans. Al2O3 + 3H2SO4 →Al2(SO4)3 + 3H2O
16. Al2(SO4)3 + NaOH →Al(OH)3 + Na2SO4
Ans. Al2(SO4)3 + 6NaOH →2Al(OH)3 + 3Na2SO4
17. PbO2 + H2SO4 →PbSO4 + H2O + O2
Ans. 2PbO2 +2H2SO4 →2PbSO4 + 2H2O + O2
18. Al + Fe2O3 →Al2O3 + Fe
Ans. 2Al + Fe2O3 →Al2O3 + 2Fe
19. KClO3 →KCl + O2
Ans. 2KClO3 →2KCl + 3O2
20. N2 + H2 → NH3
Ans. N2 + 3H2 → 2NH3
21. NH3 + HCl →NH4Cl
Ans. NH3 + HCl →NH4Cl
22. NH3+ H2SO4 →(NH4)2SO4
Ans. 2NH3+ H2SO4 →(NH4)2SO4
23. AgNO3 + NaCl →AgCl2 + NaNO3
Ans. AgNO3 + NaCl →AgCl2 + NaNO3
24. NH4NO3 →H2O + N2
Ans. NH4NO2 →2H2O + N2
25. KNO3 → KNO2 + O2
Ans. 2KNO3 → 2KNO2 + O2
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