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6. What is condensation polymerisation?
- The same as addition polymerisation
- Amino acids making proteins
- 2 monomers with 1 functional group each reacting making a polymer and a small molecule (e.g. water)
- Alkene's double bonds opening up and them joining together
7. What is ethyl ethanoate produced from?
- None of the above
- Ethanoic acid and ethanol
- Ethanoic acid and an ester
- Ethene and oxygen
8. What is a hydrocarbon?
- An alcohol
- A molecule that contains only hydrogen and carbon
- A molecule that contains hydrogen and carbon
- Hydrogen
9. What is the disadvantage of fermentation to make ethanol?
- Slow rate of production
- Fairly high quality ethanol
- Renewable
- Can be made in batches
10. How do you break down a large alkane into a smaller one?
- Heating it
- Distillation
- Cracking
- You can't
11. Why are alkenes useful?
- They are in crude oil
- They can react with things
- They can react via addition reactions and also make plastics
- They aren't very useful
12. What is the general trend for viscosity, flammability and boiling point in hydrocarbons?
- As the hydrocarbon gets bigger, viscosity increases, flammability decreases, boiling point increases
- As the hydrocarbon gets bigger, viscosity increases, flammability increases, boiling point increases
- As the hydrocarbon gets smaller, viscosity increases, flammability decreases, boiling point increases
- As the hydrocarbon gets smaller, viscosity decreases, flammability decreases, boiling point increases
13. What are four naturally occuring polymers?
- There aren't 4, only Starch and Amino Acids
- DNA's 4 monomers
- DNA, Starch, Cellulose, Protein
- Sugars, Cell Sap, Nucleotides, Amino Acids
14. How are alcohols made?
- They can't be made, only found
- Combustion of an alkene
- Via hydration of an alkene or fermentation of yeast
- Via hydration of an alkane or fermentation of yeast
15. What is the general formula of an alcohol
- Impossible to tell
- CnH2n+2
- CnH2n+1
- CnH2n
16. What type of reaction takes place during cracking?
- Hydration
- Thermal Decomposition
- Shortening
- Breaking
17. What is formed when a carboxylic acid reacts with an alcohol?
- They don't react in the first place
- An ester + hydrogen
- An ester + water
- A dialcohol
18. What is the general formula for an alkene?
- CnH2n
- CnH2n+2
- CnH2n+1
- There isn't one
19. What is one way to physically tell if there is an alkene instead of alkane?
- They are too similar to tell
- An alkene will decolourlise orange bromine water, in alkanes it won't
- Look at the formula
- Guess
20. What pH solution would ethanol give in water?