1. What is oxidation?
- The gain of water
- The gain of Oxygen
- The gain of Carbon dioxide
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2. What is cracking?
- Splitting up long-chain hydrocarbons into short-chain hydrocarbons
- Removing the covalent bond into an ionic bond
3. What is crude oil?
4. How do you test for an alkene?
- They turn bromine water colourless
- They turn limewater cloudy
- They turn universal indicator purple
5. Are fossil fuels non-renewable or renewable fuels?