colour changes 0.0 / 5 ? Chinesehalogens ASCCEA Created by: BROGANCreated on: 27-04-18 21:16 9432186710 Across 1. acid to alkali ; pink to colourless alkali to acid : colourless to pink (15) 6. green-blue (6) 7. red-brown liquid (7) 10. acid to alkali ; yellow to red alkali to acid : red to yellow (6, 6) Down 1. lilac (9) 2. yellow gas (8) 3. green gas (8) 4. colourless (8, 5) 8. produces dense white fumes with a glass rod dipped in concentrated ammonia solution (3) 9. make a solution in dilute nitric acid and add silver nitrate solution (6, 4)
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