Aqueous solution of borax is (1) Neutral (2) Acidic (3) Alkaline (4) Strongly acidic

Answer: (3)

Borax is a salt of weak boric acid and strong sodium hydroxide base. The other name of borax is sodium borate, sodium tetraborate or disodium tetraborate. The molecular formula of borax is H20B4Na2O17.

In the aqueous solution, borax undergoes hydrolysis to liberate alkaline solution.

Uses:

  • Borax is used to kill insects such as ants.
  • It is also used to get rid of moulds and stains.

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