Question : There is no change in the colour of red litmus and blue lit mus paper when introduced into an aqucous solution of sodium chloride. A fter passing direct current through the same solution, red litmus ehanges to blue colour. Which product is responsible for this change? Mention any two uses of this produet.

Question : There is no change in the colour of red litmus and blue lit

1.	Question : There is no change in the colour of red litmus and blue lit mus paper when introduced into an aqucous solution of sodium chloride. A fter passing direct current through the same solution, red litmus ehanges to blue colour. Which product is responsible for this change? Mention any two uses of this produet.
Answer» Solution :`Sodium HYDROXIDE // NaOli.` (i) Degreasing netals (II) soaps and DETERGENTS (III) Paper NMAKING (iv) Artificial fibres.