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1. Which compounds have a carbon-carbon triple bond?
2. Which have an aldehyde or ketone carbonyl group?
3. Which have an amino group?
4. Which have a carboxylic acid (carboxyl) group?
5. Which have an ether or epoxide group?
6. Which have an ester or lactone group?
7. Which have a hydroxyl group?
8. Which have an aromatic ring?
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