Answer:
D a substance that increases the rate of a reaction without being used up itself in a reaction.
Explanation:
Examples are
ammonia synthesis ==> iron
sulfuric acid manufacture ==> nitrogen(II) oxide, platinum
cracking of petroleum==> zeolites
hydrogenation of unsaturated hydrocarbons ==> nickel, platinum, or palladium
I hope it helps
The correction is D. This is because, the higher the value of K, the greater the relative amount of product present at equilibrium.
A bottle.I has a neck and but a head
