3458Chemical EngineeringMedium
Iron is not used alone as a catalyst in ammonia synthesis, because________?
AIt decomposes ammonia
BNone of these
CIts activity declines rapidly, if heated to above 520°C
DIt gets oxidised above 500°C
Correct answer
C. Its activity declines rapidly, if heated to above 520°C
Explanation
The correct answer is Its activity declines rapidly, if heated to above 520°C.