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

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

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

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

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

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