Explain strong and weak acid with examples.

Strong acids are completely ionized or dissociated in solution for eg-$HCl$.

Weak acids are those acid which partially ionized in solution.

$HCl\leftrightharpoons H^{+}+C{l}^{-}$

$C{H}_{3}COOH\leftrightharpoons CH-3CO{O}^{-}+H^{+}$