A base is anything that donates a hydroxide ion and anything that accepts a hydrogen ion.
A base is anything that donates hydroxide ion , OH⁻ ion when dissolves in the water . let us take an example, NaOH is sodium hydroxide is a strong base which generates hydroxide ions when dissolves in water. bases are of two types : strong base and weak base. base have value of pH greater than 7. there are several theories of bases . according to Arrhenius, base is when dissolved in water increases hydroxide ion. according to Bronsted Lowry, hydrogen ion acceptor are bases.
Thus, A base is anything that donates a hydroxide ion and anything that accepts a hydrogen ion.
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