Chemistry C7 5.0 / 5 based on 1 rating ? GeographyGCSEOCR Created by: HannahCreated on: 19-06-13 16:40 10658923147 Across 1. In gas chromatography, what happens to a sample of a substance when it is injected into one end of the heated column? (2, 9) 4. What is the solvent that's used to move the solution in chromatography called? (6, 5) 7. Is making bonds an exo or endothermic process? (10) 9. What is bioethanol used for? (4) 10. Are alkanes saturated or unsaturated? (9) Down 2. What type of reaction is represented with a double-headed arrow? (10) 3. The presence of what function group cause the characteristic properties of carboxylic acids? (0, 4) 5. How can the concentration of ethanol be increased when the fermentation reaction is over? (12) 6. What is the mobile phase in gas chromatography? (1, 7, 3) 8. Following standard procedures, carrying out titrations, scaling up production, interpreting results and carrying out quality assurance are all requirements of what occupation? (1, 7)
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