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Balancing Equations Practise
(Answers at bottom)
Print these questions out and fill in the blanks where appropriate.

1. ____C2H5OH + ____O2 ____CO2 + ____H2O

2. ____Al + ____NaOH ____Na3AlO3 + ____H2

3. ____CO2 + ____H2O ____C6H12O6 + ____O2

4. ____C3H8 + ____O2 ____CO2 + ____H2O

5. ____Ca + ____H2O ____Ca(OH)2…

Page 2

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19. ____BF3 + ____Li2SO3 ____B2(SO3)3 + ____LiF

20. ____(NH4)3PO4 + ____Pb(NO3)4 ____Pb3(PO4)4 + ____NH4NO3

21. ____SeCl6 + ____O2 ____SeO2 + ____Cl2

22. ____CH4 + ____O2 ____CO2 + ____H2O

23. ____Al + ____O2 ____Al2O3

24. ____CO + ____H2 ____C8H18 + ____H2O

25. ____FeO3 + ____CO ____Fe + ____CO2

26. ____H2SO4 +…

Page 3

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10. 2SO2 + O2 2SO3
11. C3H8 + 5O2 3CO2 + 4H2O
12. 2Fe + 3H2SO4 Fe2(SO4)3 + 3H2
13. 2C2H6 + 7O2 6H2O + 4CO2
14. 3KOH + H3PO4 K3PO4 + 3H2O
15. SnO2 + 2H2 Sn + 2H2O
16. 4NH3 + 5O2 4NO + 6H2O
17. 2KNO3 +…

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