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Hydraulic washing...

Hydraulic washing

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Write the principle behind the following methods of refining : (i)Hydrauic washing (ii) Vapour phase refining.

Explain the principle of a hydraulic machine. Name two devices which work on this principle.

Knowledge Check

  • Hydraulic brakes are based on

    A
    Pascal's law
    B
    Torricelli's law
    C
    Newton's law
    D
    Boyle's law

  • After heating washing soda, the colour of residue left behind would be

    A
    Yellow
    B
    Black
    C
    Pink
    D
    White

  • Assertion : Permanent hardness of water can be removed by using washing soda. Reason : Washing soda reacts with soluble calcium and magnesium chlorides and sulphates in hard water to form insoluble carbonates.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

    • Similar Questions

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    Hydraulic lift' works on the basis of

    Name and state the principal on which the hydraulic brakes of a car works.

    Calculate the percentage mass of water in crystals of washing soda.

    A : Hydraulic lift is based on Pascal’s Law. R : Hydrostatic pressure is a scalar quantity

    How would you distinguish between baking powder and washing soda by heating ?

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