Question: Manufacture of phthalic anhydride uses __________ as a catalyst.
[A].Ni
Cr
V2O5
Al2O3
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.