Highest quality bitumen is produced from the __________________ crude oil?
Correct answer: C. Naphthenic
- A. Paraffinic
- B. Intermediate
- C. Naphthenic
- D. Mixed
Explanation
Naphthenic crude oils are relatively rich in asphaltic and resinous material, making them suitable for producing high-quality bitumen. Paraffinic crudes are more valued for wax and lubricating-oil fractions.
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