MCQ
Which of the following is responsible for cleansing action of Borax
  • A
    its acidic nature
  • its basic nature
  • C
    its neutral nature
  • D
    none of these

Answer

Correct option: B.
its basic nature
b
When borax is dissolved in water it ionizes and hydrolysis of borate ion gives $OH$ (the hydroxyl ion) and boric acid. Since boric acid is a weak acid and $NaOH$ is strong a alkali an aqueous solution of borax is alkaline in nature.

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