

MCQOPTIONS
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1. |
Oleum is [CBSE PMT 1991; MP PMT 2002; CPMT 2004] |
A. | Castor oil |
B. | Oil of vitriol |
C. | Fuming \[{{H}_{2}}S{{O}_{4}}\] |
D. | None of them |
Answer» D. None of them | |