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Home » Class 10 » Acid Bases and Salts » Sodium Hydroxide

Sodium Hydroxide

Last Updated on February 16, 2023 By Mrs Shilpi Nagpal

Question 1 Write the chemical name and formula of caustic soda?

Question 2 What happens when a concentrated solution of sodium hydroxide is electrolysed. Write the equation involved?

Question 3 Name the raw material used for the caustic soda?

Question 4 List the uses of caustic soda?

Question 5 What is a brine solution?

Contents

  • 1 Sodium Hydroxide
  • 2 Preparation
  • 3 Uses of Sodium Hydroxide

Sodium Hydroxide

It is commonly known as Caustic Soda. The formula of sodium hydroxide is NaOH.

Preparation

It is produced by electrolysis of a concentrated aqueous solution of sodium chloride(which is called brine solution)

When electricity is passed through a concentrated solution of sodium chloride, it decomposes to form sodium hydroxide, chlorine and hydrogen.

naoh

Uses of Sodium Hydroxide

(1) It is used for making soaps and detergents.

(2) It is used for making artificial textile fibres.

(3) It is used in the manufacture of paper.

(4) It is used in purifying bauxite ore.

(5) It is used in oil refining and making of dyes and bleaches.

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Filed Under: Acid Bases and Salts, Class 10 Tagged With: brine solution, caustic soda, NaOH, preparation of sodium hydroxide, sodium hydroxide, uses of sodium hydroxide

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