C1.4- Crude oils and fuels 5.0 / 5 based on 1 ratingTeacher recommended ? ChemistryCrude oil, cracking and hydrocarbonsGCSEAQA Created by: EllaBella888Created on: 31-12-16 20:58 73654921810 Across 1. Where is the fractionating column hottest? (4, 3, 6) 6. How are the fractions of crude oil separated? (12) 7. What other waste product can be formed in car engines? (8, 6) 8. What is biogas made from? (6, 5) 10. What are these hydrocarbons useful for? Why? (5, 2, 4, 4, 4) Down 2. What is the main greenhouse gas? (6, 7) 3. What do these impurities produce when they react with oxygen? (6, 7) 4. What is the name given to most of the hydrocarbons in crude oil? (7) 5. What can be used to remove particulates from diesel engines? (7) 9. Do long or short chain hydrocarbon molecules tend to be more useful? (5, 5)
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