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Chemical Engineering - Fertiliser Technology - Discussion

Discussion Forum : Fertiliser Technology - Section 4 (Q.No. 40)
Fertiliser Technology
40.
Iron is not used alone as a catalyst in ammonia synthesis, because
its activity declines rapidly, if heated to above 520°C.
it decomposes ammonia.
it gets oxidised above 500°C.
none of these.
Answer: Option
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