Question

what is acid and base

Answer 1

An Arrhenius base is any substance that gives the OH-, or hydroxide, ion when it dissolves in water. Arrhenius acids include compounds such as HCl, HCN, and H2SO4 that ionize in water to give the H+ ion. Arrhenius bases include ionic compounds that contain the OH- ion, such as NaOH, KOH, and Ca(OH)2.

Answer 2

an acid is a substance which gives H+ ion in aqueous solution and a base is a substance which gives OH- ion in an aqueous solution .(according to arrhenious)..