Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

Question: 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: Option D

Explanation:

No answer description available for this question.