7: Which of the following petroleum products has a minimum flashpoint? (a)Gasoline (b) Kerosene (c) Fuel oil (d) Heating oil 8: Which of the following hydrocarbon series are almost absent in crude petroleum? (a) Paraffins (b) Naphthenes (c) Aromatic (d) Olefins 9: Which of the following process consumes hydrogen? (a) FCC process (b) Hydrocracking process (c) Visbreaking (d) Etherification process

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