Q
Iron is not used alone as a catalyst in ammonia synthesis, because___________________?
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A
A. Its activity declines rapidly, if heated to above 520°c
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B
B. It decomposes ammonia
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C
C. It gets oxidised above 500°c
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D
D. None of these
Correct Answer:
A. A. Its activity declines rapidly, if heated to above 520°c
