Is ##NaOH## an acid or base? Is it considered strong or weak?

NaOH is a strong base.

1. It is a STRONG BASE because it dissociates completely in water to form hydroxide ions.

• ##NaOH → Na^+ + OH^-##

2. It reacts with acid to give a salt and water.

• ##NaOH + HCl → NaCl + H-OH (H_2O)##

3. Its aqueous solutions have a pH value greater than 7.