Sources of Hydrocarbons

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Across
  1. 3. As the size of the hydrocarbon molecules increases, the boiling point of the hydrocarbon ______.
  2. 7. The product of fractional distillation that is used for road pavement is called as ___.
  3. 8. In fractional distillation, the fractions of hydrocarbons in petroleum are separated at different _______ according to the size of the hydrocarbon.
  4. 10. What is the method that is used to separate crude oil or petroleum into fractions with similar physical properties
  5. 13. In cracking process, compounds of large hydrocarbons molecules are heated at a high temperature and _____.
  6. 14. Aluminium oxide and silicon (IV) oxide that are usually used to increase the rate of reaction is called as ______.
  7. 15. In fractional distillation, as the number of carbon decreases, the viscosity generally _____.
Down
  1. 1. Organic compound that contains only hydrogen and carbon is called as ____.
  2. 2. What is the product produced from the process of refining petroleum at temperature between 75 oC-150 oC?
  3. 4. Hydrocarbons are ____ because they contain different atoms chemically joined together.
  4. 5. What is the main source of hydrocarbons?
  5. 6. What is the name of process of breaking long chain of hydrocarbons into smaller hydrocarbons?
  6. 9. The product that is produced from the fractional distillation of petroleum at temperature of 125-300 oC is called as ____ oil.
  7. 10. What is one of the main uses of hydrocarbon compounds derived from fractional distillation?
  8. 11. What is the product produced from the process of refining petroleum at temperature between 160 oC-250 oC?
  9. 12. The alternative sources of hydrocarbons are called ____.