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The alum used for purifying water is...

The alum used for purifying water is

A

Ferric alum

B

Chrome alum

C

Potash alum

D

Ammonium alum

Text Solution

Verified by Experts

The correct Answer is:
C
`K_2SO_(4).Al_(2)(SO_4)_(3) . 24H_2O`
Potash alum is generally used for purifying water.
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Knowledge Check

  • In chemical terms , what are alums used for purifying water for drinking purposes ?

    A
    Hydrated chlorides
    B
    Double nitrate
    C
    Double sulphates
    D
    Nitrates of aluminium

  • The most commonly used chemic method for purifying water is :

    A
    Chlorination
    B
    Filtration
    C
    Boiling
    D
    Hydrogen peroxide

  • Ozone is used for purifying water because

    A
    It dissociates and release oxygen
    B
    It does not leave any foul smell like chlorine
    C
    It kills bacteria, cyst, fungi and acts as a biocide
    D
    All of the above