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Petrochemical Industry Terms: Crossword
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
Check
Across: 2. A mixture of hydrocarbons having 3-4 carbon atoms per molecule. Sold as bottled gas for heating and cooking. 3. A hydrocarbon which has only single bonds. 5. Hydrogen reacts with long-chained hydrocarbons, in the presence of a catalyst, to split the hydrocarbon into shorter chains. 7. A mixture of hydrocarbons having 12-18 carbon atoms per molecule. Used as fuel for some vehicles. 10. ____ energy: The energy required to start a reaction. 11. A building block which is repeated multiple times within a polymer.
Down: 1. A hydrocarbon which contains one double bond between two of its carbon atoms. 4. A mixture of hydrocarbons having 9-14 carbon atoms per molecule. Used as fuel for aeroplanes. 5. An organic compound consisting of only hydrogen and carbon atoms bonded together. 6. The process of separating a mixture into its components by using their different boiling points to separate them. 8. A chemical which speeds up a reaction by lowering the reaction's activation energy. It is not permanently altered by the reaction. 9. A long-chained organic compound made of many monomers bonded together.
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