Question

why catalyst in the form of fine dust is used to produce ammonia, sulphur trioxide etc. in factory?​

Answer 1

Answer:

Catalysts speed up a chemical reaction by lowering the amount of energy you need to get one going.

Explanation:

In the Haber process, “the atmospheric nitrogen (N2) is converted to ammonia (NH3) by reacting it with hydrogen (H2)”. Here a metal catalyst is used and high temperatures and pressures are maintained. Air, which supplies the nitrogen. ... Iron which is the catalyst and does not get used up.