Organic chem

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Across
  1. 3. Used in road making
  2. 7. Used in Aircraft fuel
  3. 8. How crude oil is separated
  4. 9. reaction on alkenes which break their carbon carbon double bond
Down
  1. 1. Functional group -COOH
  2. 2. How easy a liquid flows
  3. 4. breaking down of long chain hydrocarbons into smaller ones
  4. 5. describes a hydrocarbon with a carbon carbon double bond
  5. 6. Adjective meaning easily vaporised