Catalyst used in the catalytic cracking is_____________________?
Correct answer: A. Silica-alumina
- A. Silica-alumina
- B. Silica gel
- C. Vanadium pentoxide
- D. Nickel
Explanation
Catalytic cracking commonly uses a silica-alumina catalyst, often in a zeolite-based form in modern units. Silica gel is not the standard cracking catalyst, while vanadium pentoxide and nickel serve other catalytic applications.
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