Organic chemistry

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Across
  1. 3. reagent to distinguish between saturated and unsaturated hydrocarbons.
  2. 5. Generally unreactive, except in terms of burning
  3. 8. A ‘family’ of similar compounds with similar chemical properties due to thepresence of the same functional group
  4. 9. petroleum fraction for making chemicals
  5. 10. process for the manufacture of smaller useful molecules from hydrocarbons
  6. 11. a mixture of hydrocarbons
Down
  1. 1. number of carbon atoms are in pentane
  2. 2. method to separate petroleum into useful fractions
  3. 3. fraction of petroleum used for making roads
  4. 4. The main constituent of natural gas
  5. 6. general formula CnH2n.
  6. 7. the monomers used in the polymer poly(ethene)
  7. 8. compounds contain only carbon and hydrogen.