Question: An aqueous solution of borax is
(a) neutral
(b) amphoteric
(c) basic
(d) acidic
Solution:
(c) Borax is a salt of a strong base $(\mathrm{NaOH})$ and a weak acid $\left(\mathrm{H}_{3} \mathrm{BO}_{3}\right)$. It is, therefore, basic in nature.