The proper arrangement of the petroleum fractions in order of their boiling points is __________________ ?
Correct answer: B. Lubricating oil > diesel > petrol > LPG
- A. Lubricating oil > petrol > diesel > LPG
- B. Lubricating oil > diesel > petrol > LPG
- C. Petrol > lubricating oil > diesel > LPG
- D. Petrol > diesel > LPG > lubricating oil
Explanation
Higher-boiling petroleum fractions are heavier: lubricating oil boils above diesel, diesel above petrol, and LPG has the lowest boiling range. Therefore the descending order is lubricating oil, diesel, petrol and LPG.
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