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Confused! kindly explain, The temporary hardness of a water sample is due to compound X. Boiling this sample converts X to compound Y. X and Y, respectively, are:

The temporary hardness of a water sample is due to compound X. Boiling this sample converts X to compound Y. X and Y, respectively, are:

 

  • Option 1)

     Mg(HCO_{3})_{2} and Mg(HO)_{2}

     

     

     

  • Option 2)

    Ca(HCO_{3})_{2} and Ca(HO)_{2}

  • Option 3)

    Mg(HCO_{3})_{2} and MgCO_{3}

  • Option 4)

    Ca(HCO_{3})_{2} and CaO

Answers (1)
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According to NCERT answer would be option (1)  Mg(HCO_{3})_{2} and Mg(HO)_{2}

but According to general Chemistry answer would be (3) Mg(HCO_{3})_{2} and MgCO_{3}


Option 1)

 Mg(HCO_{3})_{2} and Mg(HO)_{2}

 

 

 

Option 2)

Ca(HCO_{3})_{2} and Ca(HO)_{2}

Option 3)

Mg(HCO_{3})_{2} and MgCO_{3}

Option 4)

Ca(HCO_{3})_{2} and CaO

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