1.

Which would quickly absorbs oxygen [CBSE PMT 1992; MP PET 1995]

A. Alkaline solution of pyrogallol
B. Conc. \[{{H}_{2}}S{{O}_{4}}\]
C. Lime water
D. Alkaline solution of \[CuS{{O}_{4}}\]
Answer» B. Conc. \[{{H}_{2}}S{{O}_{4}}\]


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