C1_5_products_from_oils_crossword

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C1 5 Products from oils

Dr Barker 2011

Across

5. A reaction in which water is chemically added to a compound.

7. The reaction of monomers to make a polymer.

9. The reaction in which the enzymes in yeast turn glucose into ethanol and carbon dioxide.

10. An alkene with the formula C

3

H

6

.

11. Polymers that change in response to changes in their environment.

12. A hydrocarbon whose molecules contain at least one carbon-carbon double bond.

Down

1. Something that cannot be replaced once it is used up.

2. An alkene with the formula C

2

H

4

.

3. The reaction used in the oil industry to break down large hydrocarbons into smaller, more useful ones.

4. Small reactive molecules that react together in repeating sequences to form a very large molecule ( a polymer).

6. A covalent bond made by the sharing of two electrons.

8. Materials that can be broken down by microorganisms.

10. A substance made from very large molecules made up of many repeating units.

13. Unsaturated hydrocarbon which contains a carbon-carbon double bond. The general formula s C

n

H

2n

.

Dr Barker 2011

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