Question

multiple choice question
naoh is a compound that releases hydroxide ions in water. therefore, it is a(n)

o base
o acid

Explanation:

According to Arrhenius theory, a base is a substance that releases hydroxide ions ($OH^-$) in water. NaOH dissociates in water to give $Na^+$ and $OH^-$ ions. An acid, on the other hand, releases hydrogen ions ($H^+$) in water.

Answer:

base