Chemistry | Unit 4 | Additional Science 5.0 / 5 based on 1 ratingTeacher recommended ? ScienceChemistryGCSEOCR Created by: A♥Created on: 04-06-13 18:29 764295318 Across 1. What colour precipitate does chlorides form with silver nitrates? (5) 3. What colour precipitate does bromides form with silver nitrates? (5) 4. what does the nucleus contain? (7, 3, 8) 5. What colour flame does potassium produce under the flame test? (5) 8. What charge does a proton have? (8) 9. What colour precipitate does iodides form with silver nitrates? (6) Down 2. Who discovered atoms? (5, 4) 3. What can transitional metals and their compounds be used as? (9) 6. What state and colour is Chlorine at room temperature? (1, 5, 3) 7. What is iron used for? (4)
EDEXCEL GCSE 9-1 COMBINED SCIENCE FOUNDATION PAPER 4 CHEMISTRY 2 MARK SCHEME SAMPLE ASSESSMENT MATERIAL 0.0 / 5
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