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GCSE level Chemistry Notes: Practice questions on balancing symbol equations

FOR PRINTING OUT: Doc Brown's Chemistry for GCSE, IGCSE, ~US grade 8-10 students aged ~14-16 Science Chemistry Revision Questions (re-edit)

Chemical Equation Revision Practice - BALANCING SYMBOL EQUATION QUESTION ANSWERS

Part 2b Writing and balancing symbol equation Question ANSWERS

The answers to the GCSE/IGCSE KS4 Science-Chemistry practice questions for the symbol equations for the reactions of acids with metals, oxides, hydroxides and carbonates and hydrogencarbonates

All my GCSE level Chemistry Revision notes  *  email doc brown

1a Word Equation Questions

1b Word Equation Question Answers

 2a Symbol Equation Questions

Teach yourself to write equations!

GCSE/IGCSE Acids, Bases & Salts Notes

GCSE/IGCSE Multiple Choice BALANCING EQUATION QUIZ

GCSE/IGCSE KS4 Science-CHEMISTRY Revision Questions


Spelling note: sulphuric acid = sulfuric acid, sulphate = sulfate, aluminium = aluminum (US)


SYMBOL EQUATION QUESTION ANSWERS

1. Mg(s) + 2HCl(aq) ===> MgCl2(aq) + H2(g)

2. ZnO(s) + H2SO4(aq) ===> ZnSO4(aq) + H2O(l)

3. CaO(s) + 2HNO3(aq) ===> Ca(NO3)2(aq) + H2O(l)

4. CuCO3(s) + H2SO4(aq) ===> CuSO4(aq) + H2O(l) + CO2(g)

5. Ca(OH)2(s) + 2HCl(aq) ===> CaCl2(aq) + 2H2O(l)

6. Zn(s) + H2SO4(aq) ===> ZnSO4(aq) + H2(g)

7. NH3(aq) + HNO3(aq) ===> NH4NO3(aq)

8. CuO(s) + 2HCl(aq) ===> CuCl2(aq) + H2O(l)

9. MgCO3(s) + 2HCl(aq) ===> MgCl2(aq) + H2O(l) + CO2(g)

10. Mg(OH)2(s) + H2SO4(aq) ===> MgSO4(aq) + 2H2O(l)

11. CuO(s) + 2HNO3(aq) ==> Cu(NO3)2(aq) + H2O(l)

12. Zn(s) + 2HCl(aq) ===> ZnCl2(aq) + H2(g)

13. MgO(s) + H2SO4(aq) ===> MgSO4(aq) + H2O(l)

14. MgCO3(s) + H2SO4(aq) ===>MgSO4(aq) + H2O(l) + CO2(g)

15. Zn(OH)2(s) + 2HCl(aq) ===> ZnCl2(aq) + 2H2O(l)

16. Mg(s) + H2SO4(aq) ===> MgSO4(aq) + H2(g)

17. ZnO(s) + 2HCl(aq) ===> ZnCl2(aq) + H2O(l)

18. CuCO3(s) + 2HCl(aq) ===> CuCl2(aq) + H2O(l) + CO2(g)

19. Ca(OH)2(s) + H2SO4(aq) ===> CaSO4(aq) + 2H2O(l)

20. 2Al(s) + 6HCl(aq) ===> 2AlCl3(aq) + 3H2(g)

21. CuO(s) + H2SO4(aq) ===> CuSO4(aq) + H2O(l)

22. ZnCO3(s) + H2SO4(aq) ===> ZnSO4(aq)+ H2O(l) + CO2(g) 

23. Mg(s) + 2HNO3(aq) ===> Mg(NO3)2(aq) + H2(g)

24. NaOH(aq) + HCl(aq) ===> NaCl(aq) + H2O(l)

25. 2Al(s) + 3H2SO4(aq) ===> Al2(SO4)3(aq) +  3H2(g)

26. MgO(s) + 2HCl(aq) ===> MgCl2(aq) + H2O(l)

27. Na2CO3(aq) + 2HCl(aq) ===> 2NaCl(aq) + H2O(l) + CO2(g)

28. 2NaOH(aq) + H2SO4(aq) ===> Na2SO4(aq) + 2H2O(l)

29. Fe(s) + 2HCl(aq) ===> FeCl2(aq) + H2(g)

30. Fe(s) + H2SO4(aq) ===> FeSO4(aq) + H2(g)

31. NH3(aq) + HNO3(aq) ===> NH4NO3(aq)

32. Na2CO3(aq) + H2SO4(aq) ===> Na2SO4(aq) + H2O(l) + CO2(g)

33. Zn(OH)2(s) + 2HCl(aq) ===> ZnCl2(aq) + 2H2O(l)

34. Mg(OH)2(s) + 2HCl(aq) ===> MgCl2(aq) + 2H2O(l)

35. ZnCO3(s) + 2HCl(aq) ===> ZnCl2(aq)+ H2O(l) + CO2(g)

36. NaHCO3(s) + HCl(aq) ===> NaCl(aq) + H2O(l) + CO2(g)

37. NH3(aq) + HCl(aq) ===> NH4Cl(aq)

38. 2NH3(aq) + H2SO4(aq) ===> (NH4)2SO4(aq)

39. 2CH3COOH + Ca ===> (CH3COO)2Ca + H2

40. CaCO3 + 2CH3COOH ===> (CH3COO)2Ca + H2O + CO2 

41. NaOH + CH3COOH ===> CH3COONa + H2O

42. Mg(OH)2 + 2CH3COOH ===> (CH3COO)2Mg + 2H2O

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