Across
- 3. Used as fuel in truck and heavy vehicles, the fraction ranges from C14-C18
- 6. The … length of the fraction decreases from bottom to top, as the number of carbon atoms decreases
- 8. Crude oil separation method based on boiling point difference
- 9. From bottom to top, the volatility of fractions obtained from crude oil separation ...
- 10. Catalytic … is the process when heavy hydrocarbon molecules are broken up into lighter molecules
- 12. Compound made of hydrogen and carbon atoms, simplest form of organic compound
Down
- 1. Raw material in the chemical industry, obtained from the third fraction from the top of a crude oil separation
- 2. The main constituent of natural gas
- 4. Most commonly used petroleum derivate, used to power cars, is the second highest fraction formed with boiling point ranges between 40°C – 100°C
- 5. … point is the temperature at which a substance’s vapor pressure is equal to the pressure of the gas above it, the differentiation factor used in petroleum separation method
- 7. The … of fractions obtained from crude oil separation decreases from bottom to top.
- 11. A type of fossil fuel, formed when dead plant matter decays and hardens.