Chemistry 3 0.0 / 5 ? ChemistryGCSEEdexcel Created by: EllieCreated on: 12-05-13 12:01 398421765 Across 1. A homologous series which contains a carboxyl group (10, 4) 5. How can you avoid permanent hardness in water? (3, 8, 5) 6. Polyesters can be used to make (7) Down 2. Esters are used in (11) 3. What makes water hard? (9, 4) 4. Iron (III) forms a ....... precipitate (5) 7. A homologous series which contains a double carbon bond (6) 8. Propane is an (6) 9. Which part of the soap dissolves in water? (12, 4)
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