

MCQOPTIONS
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1. |
Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively |
A. | V2O5 & Cr2O3. |
B. | oxides of nitrogen & Cr2O3. |
C. | V2O5 on a porous carrier & oxides of nitrogen. |
D. | oxides of nitrogen & V2O5 on a porous carrier. |
Answer» E. | |