Chemistry- C8 Part A 5.0 / 5 based on 1 rating ? ChemistryChemical AnalysisGCSEAQA Created by: 13clarkenCreated on: 28-05-18 15:34 5102314869 Across 1. ... and ...points will tell you how pure a substance is. A purer sample is closer to the true ... and ... points. Impurities sample will lower the ... point. Impurities in a sample will also increase the ... point (7, 7) 4. Test for common gases: Bleaches litmus paper and turns it white (8) 5. A ... substance is something that only contains one compound or element throughout. Usually we think of a ... substance as something which has had nothing added to it (4) 6. Paper Chromatography: ... phase - Molecules can't move. A solid or thick liquid (10) 8. ... with higher solubility in solvent will be carried further up the paper (9) 9. Paper Chromatography: ... phase - Molecules can move. A liquid or gas (6) Down 2. ... are useful mixtures. They are really important in the pharmaceutical industry. They are found in cleaning products, fuels, cosmetics and fertilisers in everyday life. When you buy a product, information on the back tells you whether it is a ... (12) 3. Test for common gases: Turns limewater cloudy (6, 7) 5. A ... formulation consists of: - Pigment> for colour. -Solvent> to dissolve things. -Binder> to hold pigment in place. -Additives> to change properties, both chemical and physical (5) 10. ... = Distance Travelled by substance/ Distance Travelled by solvent (2, 5)
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