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HCl is an acid or a base

Illustrate is HCl an acid or a base ?

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Hydrochloric acid (HCl) as the name implies, is an acid. In fact, it is measured a strong acid because it separates completely in water to form Cl- and H3O+.
Though, HCl can also act as a base in reactions with the acids stronger than it can as HClO4.

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