Practice Test | Kullabs.com
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  • Temporary hardness can be removed by

    hydrolith
    epsom salt
    slaked lime
    plaster of paris
  • Temporary hardness can be removed from water by adding

    HCl
    H2SO4
    Ca(HCO3)2
    Ca(OH)2
  • Tem porary hardness of water is due to the presence of

    Ca(OH)2
    HCl
    H2SO4
    Ca(HCO3)2
  • Temporary hardness is removed by

    Clark's method
    Organic ion exchange
    Permutit process
    Soda lime process
  • Temporary hardness is due to presence of

    bicarbonates of Ca and Mg
    sulphates of Ca and Mg
    bicarbonates of Cl and Mg
    sulphates of Ca and Cl
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