The temporary hardness of water is due to :

  • Option 1)

    Na_{2}SO_{4}

  • Option 2)

    Ca(HCO_{3})_{2}

  • Option 3)

    NaCl

  • Option 4)

    CaCl_{2}

Answers (1)
A admin

 

Hard Water -

It contains calcium and Magnesium salt in the form of hydrogen carbonate , chloride and sulphate

- wherein

Hard water does not give Lathers with soap.

 

 

Temporary Hardness -

It is due to presence of CaCO3, MgHCO3

- wherein

Temporary hardness can be removed by :

1)    Boiling

2)    Clark's method

Ca\left ( HCO_{3} \right )_{2} is responsible for the temperary hardness of water.

 


Option 1)

Na_{2}SO_{4}

Option 2)

Ca(HCO_{3})_{2}

Option 3)

NaCl

Option 4)

CaCl_{2}

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