1.

The catalyst used in the manufacture of \[{{H}_{2}}S{{O}_{4}}\] by contact process is [UPSEAT 1999]

A. \[A{{l}_{2}}{{O}_{3}}\]
B. \[C{{r}_{2}}{{O}_{3}}\]
C. \[{{V}_{2}}{{O}_{5}}\]
D. \[Mn{{O}_{2}}\]
Answer» D. \[Mn{{O}_{2}}\]


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