Manufacture of phthalic anhydride uses __________ as a catalyst.
[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.
A. Precipitation of fine alloy carbides at high temperatures
B. Refinement of ferrite grain size by working
C. Decomposition of retained austenite upon heat treatment
D. Precipitation of complex inter-metallic upon heat treatment
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.