1. Why are alkenes classified as unsaturated hydrocarbons?

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2. Explain how crude oil is separated into fractions

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3. Recall all the possible products of the incomplete combustion of alkanes

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4. What does the following diagram represent?

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5. What is the name of this molecule?

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6. Recall a use of diesel

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7. Explain the term homologous series

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8. What is crude oil?

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9. Write the chemical equation for the reaction between methane and bromine

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10. This diagram shows one repeat unit of a polymer. Name the monomer used to make this polymer.

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11. State the conditions for the cracking of hydrocarbons

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12. Explain what a monomer is

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13. State the names and molecular formulae of the first 5 alkanes

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14. What is combustion?

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15. What is a substance called if it, when burned, releases heat energy?

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16. What is a general formula?

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17. What is used to test if something is an alkane or and alkene?

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18. Give two reasons why addition polymers are hard to dispose of

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19.

A student has been asked to draw all the alkene isomers of C₄H₁₀ and draws the following. Which of the following statements about the student's diagram is correct?

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20. Why does incomplete combustion occur?

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21. What is the name of this molecule?

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22. Name this molecule

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23. Explain the term hydrocarbon

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24. Of which homologous series is >C=C< (a carbon-to-carbon double bond) the functional group?

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25. State the general formula for alkenes

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26. Explain why cracking is an important process in the oil industry

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27. Describe the trend in boiling points of the main fractions in crude oil

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28. Explain the term saturated

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29. When bromine is added, what happens to an alkene?

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