A) Ostwald's process
B) Combustion of coal
C) Hydrogenation of vegetable oils
D) Haber?s process
Correct Answer: B
Solution :
Combustion of coal do not use heterogeneous catalyst Ostwald process \[{{V}_{2}}{{O}_{5}}\left( s \right)\] Hydrogenation of vegetable oils Ni (s) Haber process \[Fe/Mo\left( s \right)\]
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