Sulphuric acid treatment of petroleum products removes the __________ materials.
A. Gum forming
B. Color forming
C. Asphaltic
D. All of the above
Answer: Option D
A. Gum forming
B. Color forming
C. Asphaltic
D. All of the above
Answer: Option D
Aniline point test of an oil qualitatively indicates the __________ content of an oil.
A. Paraffin
B. Olefin
C. Aromatic
D. Naphthene
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