(32) In which industry Potassium Nitrate is used commercially? (a) Glass Manufacturing (b) Electroplating (c) Fire Cracker Manufacturing (d) Leather Industry
option c . Potassium nitrate is used specifically in firecrackers manufacturing along side fertilizers, tree stump removal, and rocket propellants. The important cause is that it's miles the oxidizer in black powder, that's utilized in nearly all fireworks.