Doc Brown's Chemistry KS4 science GCSE/IGCSE Practice Revision Questions

Chemical Equation Revision Practice - WORD EQUATIONS

Part 1b Word Equation Question ANSWERS

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

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

1. zinc + hydrochloric acid ===> zinc chloride + hydrogen

2. copper(II) carbonate + sulphuric acid ===> copper(II) sulphate + water + carbon dioxide

3. magnesium oxide + nitric acid ===> magnesium nitrate + water

4. zinc + sulphuric acid ===> zinc sulphate + hydrogen

5. magnesium hydroxide + hydrochloric acid ===> magnesium chloride + water

6. copper(II) carbonate + nitric acid ===> copper(II) nitrate + water + carbon dioxide

7. zinc carbonate + sulphuric acid ===> zinc sulphate + water + carbon dioxide

8. iron + hydrochloric acid ===> iron(II) chloride + hydrogen

9. magnesium oxide + hydrochloric acid ===> magnesium chloride + water

10. calcium carbonate + hydrochloric acid ===> calcium chloride + water + carbon dioxide

11. magnesium + sulphuric acid ===> magnesium sulphate + hydrogen

12. magnesium + nitric acid ===> magnesium nitrate + hydrogen

13. zinc hydroxide + hydrochloric acid ===> zinc chloride + water

14. magnesium carbonate + hydrochloric acid ===> magnesium chloride + water + carbon dioxide

15. aluminium + hydrochloric acid ===> aluminium chloride + hydrogen

16. sodium hydroxide + hydrochloric acid ===> sodium chloride + water

17. sodium carbonate + sulphuric acid ===> sodium sulphate + water + carbon dioxide

18. calcium carbonate + nitric acid ===> calcium nitrate + water + carbon dioxide

19. iron + sulphuric acid ===>iron(II) sulphate + hydrogen

20. zinc oxide + hydrochloric acid ===> zinc chloride + water

21. copper(II) carbonate + sulphuric acid ===> copper(II) sulphate + water + carbon dioxide

22. aluminium + sulphuric acid ===> aluminium sulphate + hydrogen

23. calcium oxide + hydrochloric acid ===> calcium chloride + water

24. magnesium hydroxide + sulphuric acid ===> magnesium sulphate + water

25. ammonia + sulphuric acid ===> ammonium sulphate

26. ammonia + hydrochloric acid ===> ammonium chloride

27. zinc hydroxide + sulphuric acid ===> zinc sulphate + water

28. copper(II) oxide + hydrochloric acid ===> copper(II) chloride + water

29. sodium hydroxide + sulphuric acid ===> sodium sulphate + water

30. sodium hydrogencarbonate + hydrochloric acid ===> sodium chloride + water + carbon dioxide

31. ammonia + nitric acid ===> ammonium nitrate

32. calcium oxide + hydrochloric acid ===> calcium chloride + water

33. aluminium hydroxide + nitric acid ===> aluminium nitrate + water

34. calcium carbonate + ethanoic acid ===> calcium ethanoate + water + carbon dioxide

35. ethanoic acid + magnesium ===> magnesium ethanoate + hydrogen

36. ethanoic acid + magnesium oxide ===> magnesium ethanoate + water

37. sodium hydroxide + ethanoic acid ===> sodium ethanoate + water

Chemical equations are an important part of the 'language' of chemistry and will form part of many chemistry lessons planned by your teacher, so get used to them and know how to write them as an important part of revising for KS4 Science GCSE/IGCSE CHEMISTRY examinations.

Revision for KS4 Science IGCSE/O level/GCSE Chemistry Information Study Notes for revising for AQA GCSE Science, Edexcel GCSE Science/IGCSE Chemistry & OCR 21stC Science, OCR Gateway Science, CCEA/CEA GCSE science-chemistry, WJEC GCSE science-chemistry (revise courses equal to US grades 9-10) but even advanced level students need to know the contents of this page. for revising science chemistry courses revision guides

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