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Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively | |
A. | V2O5 & Cr2O3. [Wrong Answer] |
B. | oxides of nitrogen & Cr2O3. [Wrong Answer] |
C. | V2O5 on a porous carrier & oxides of nitrogen. [Wrong Answer] |
D. | oxides of nitrogen & V2O5 on a porous carrier. [Correct Answer] |