gradu8doc.gifThe smaller easier KS3 Science-Chemistry crossword on "Reactions of metals and metal compounds"


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 (QCA 9E)
KS3 chemistry index * Crossword puzzle ANSWERS

Across:
2 When using universal indicator, this is the colour to aim for in neutralisation! (5)
5 This type of element doesn't usually react with acids. (8 or 3,5)
9 NaCl, MgO etc. but not Fe, Al, H etc.! (8)
11 This gas is given off when a metal reacts with water or acids. (8)
12 Universal indicator colour in acids. (3)
14 It is always solid at room temperature except mercury. (5)
15 The acid that makes nitrate salts. (6)
16 It neutralises an alkali. (4)
17 You see these when cleaning an iron tray with acid. (7)
19 A reactive metal that burns very brightly to form an white oxide. (9)
21 1st name of the acid used in car batteries, but ph not f! (9)
23 The colour of the solution when copper oxide dissolves in sulphuric acid. (4)
24 2nd part of the name of a kind of alkali, the sodium version is soluble. (9)
25 A simple sort of compound that forms salts with acids. (5)
26 The name of the chemical process when an acid reacts with an alkali and s not z! (14)
Down:
1 Moderately reactive metal used to galvanise steel. (4)
2 A yellow shiny metal. (4)
3 Metals are good conductors of (11)?
4 1st name of the acid that makes chloride salts. (12)
6 The end of salt name from nitric acid. (7)
7 The colour of universal indicator in sodium hydroxide. (6 but not violet)
8 They always fizz with acids! (10)
10 The end of name of a salt made from hydrochloric acid. (8)
13 Gas formed when carbonates dissolve in acids. (6,7)
18 The problem with iron and steel, they (4)?
20 I'm afraid this happens to useful metals like iron and steel unless you protect them. (8)
21 A very reactive metal with water, but the orange street lamps are OK in the rain! (6)
22 It neutralises and acid. (6)
24 Copper pans are a good conductor of (4)?