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SCIPAD - BIG IDEAS - BOOK 2
BASIS OF CHEMICAL REACTIONS
End of Chapter Puzzles
1. Use the clues to solve the crossword
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28
37
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25
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35
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31
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Across
5. Colour of a strong base in Universal indicator.
6. Gas produced when metal carbonate reacts
with acid.
8. Scale used to measure strength of acids and
bases.
9. pH of a neutral solution.
11. One of the products of a neutralisation
reaction.
17. Name for a reaction between an acid and a
base.
19. The acid that produces nitrate salts.
20. A type of acid made by living things.
21. Will turn red litmus paper blue.
22. When you burn a metal, it is reacting with this
element.
24. A mixture of two or more metals.
25. Produced when zinc reacts with oxygen.
28. Colour of Universal indicator in a neutral
solution.
29. Common name for sodium chloride.
31. The acid that produces sulphate salts.
32. Is red in acids and blue in bases.
35. Describes a solution with a lot of solute
dissolved in it.
36. A base that can dissolve in water.
37. Scientific word used to describe the shininess
of metals.
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