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A few drops of sulphuric acid are added ...

A few drops of sulphuric acid are added to water before electrolysis. Why ?

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During electrolysis of water a few drops of sulphuric acid is added into water. Why?

Why a small quantity of sulphuric acid is added to water for its electrolysis ?

Knowledge Check

  • Why is chlorine added to water?

    A
    To store water for long periods
    B
    To make water odourless
    C
    To make water colorless
    D
    To kill germs in water

  • Sulphuric acid has great affinity for water because

    A
    It hydrolyses the acid
    B
    It decomposes the acid
    C
    Acid forms hydrates with water
    D
    None

  • Sulphuric acid has great affinity for water because

    A
    it hydrolyses the acid
    B
    it decomposes the acid
    C
    acid forms hydrates with water
    D
    acid decomposes water.

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    Dilute sulphuric acid is added to barium chloride solution.

    To carry out the so-called 'electrolysis of water' sulphuric acid is added to water. How does the addition of sulphuric acid produce a conducting solution?

    a. A small amount of acid or alkali is added before electrolysis of water. Why? b. What happens when: i. Hydrolith is treated with water. ii. Heavy water reacts with aluminium carbide.

    A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that:

    Sulphuric acid has great affinity for water because it

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