Chemistry crossword

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Across
  1. 3. acid: An organic compound made by the carboxyl group
  2. 5. addition: Addition reaction sped up by a catalyst
  3. 9. A group of crystalline
  4. 10. Measures of how runny a liquid is
  5. 11. reaction: Chemical reaction that is initiated by the absorption of light
  6. 13. Coumpund with single bonds between carbon atoms
  7. 14. Measure of a material’s ability to ignite and burn
Down
  1. 1. distillation: To separate two or more liquids with different boiling points
  2. 2. reaction: Two molecules combine, releasing a small molecule like water
  3. 4. Compound containing double or triple bonds
  4. 6. Substance react with oxygen to produce heat and liquid
  5. 7. Raw material used in industrial process
  6. 8. Seperating petroleum into a group of compounds
  7. 10. Evaporates easily to form a vapour
  8. 12. Break down larger molecules into smaller ones
  9. 15. solution: Solution with water as the solvent