Borax is used as cleansing agent because on dissolving in water i… - Vidyadip

MCQ

Borax is used as cleansing agent because on dissolving in water it gives

✓
Alkaline solution
B
Acidic solution
C
Bleaching solution
D
Colloidal solution

✓

Answer

Correct option: A.

Alkaline solution

a
Borax is $Na_2B_4O_7.10H_2O$. It gives alkaline solution on dissolution in water as it is a salt of strong base and weak acid.

$Na_2B_4O_7 + 7H_2O \to 4H_3BO_3 + 2NaOH$

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