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  1. Asked: In:

    Identify the basic salt from the following salts:

    Best Answer
    Giriraj

    [A] Na₂CO₃ Na₂CO₃ is a basic salt.

    [A] Na₂CO₃
    Na₂CO₃ is a basic salt.

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  2. Asked: In:

    Which of the following salts does not contain water of crystallisation ?

    Best Answer
    Giriraj

    [B] Baking soda Potassium sulphate, potassium chloride, sodium nitrate, baking soda, etc., lts that do not contain water of nitrate, barium is the crystallisation.

    [B] Baking soda
    Potassium sulphate, potassium chloride, sodium nitrate, baking soda, etc., lts that do not contain water of nitrate, barium is the crystallisation.

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  3. Asked: In:

    During the preparation of hydrogen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to

    Best Answer
    Giriraj

    [C] Absorb moisture from the gas. The role of calcium chloride taken in the guard tube is to absorb moisture from the gas. This is because calcium chloride is used as a drying agent which absorbs moisture from the hydrogen chloride (HCI) gas.

    [C] Absorb moisture from the gas.
    The role of calcium chloride taken in the guard tube is to absorb moisture from the gas. This is because calcium chloride is used as a drying agent which absorbs moisture from the hydrogen chloride (HCI) gas.

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  4. Asked: In:

    Which of the following is not a natural indicator?

    Giriraj

    [D] none of the above

    [D] none of the above

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  6. Asked: In:

    Which of the following statements is correct about water of crystallization?

    Giriraj

    [D] All of the above

    [D] All of the above

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