Question

promoter used in contact process ?

Answer 1

Ola!!✌

Answer - Potassium oxide ✔✔

tysm❤

Answer 2

Answer:

Sulfuric Acid

HISTORY: Sulfuric Acid » The contact process was first discovered in 1831 by Peregrine Phillips, an Englishman, it is the passing of a mixture of sulfur dioxide over a catalyst followed by absorption of the sulfur trioxide in water.

Hope it helps

I hope you like the answer

Please mark as brainiest answer