

MCQOPTIONS
Saved Bookmarks
1. |
Solvent used in duo-sol extraction for lube oil upgradation is a mixture of |
A. | propane & phenol-cresol mixture. |
B. | methyl ethyl ketone & glycol. |
C. | phenol & furfural. |
D. | propane & liquid sulphur dioxide. |
Answer» B. methyl ethyl ketone & glycol. | |