Iron is not used alone as a catalyst in ammonia synthesis, because____ – McqOptions

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

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