Acids are used in Vitamin C (ascorbic acid), car batteries (sulphuric acid), preservative (benzoic acid, tartaric acid), carbonated drinks (carbonic acid), fertilisers, explosives (nitric acid) etc.,
Bases are used in stain remover, soaps (sodium hydroxide), fertilisers (ammonia), cement (calcium hydroxide), antacid (magnesium hydroxide) etc.,