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  • Temporary hardness can be removed by boiling because  Option: 1 Both soluble bicarbonates of <img alt="\text {Mg and Ca}" src="https:/

Temporary hardness can be removed by boiling because

 

Option: 1

Both soluble bicarbonates of \text {Mg and Ca} are converted into insoluble carbonates
 


Option: 2

Both soluble bicarbonates of \text {Mg and Ca} are converted into insoluble hydroxides


Option: 3

Mg\left ( HCO_{3} \right )_{2} is converted into Mg(OH)_{2} and Ca\left ( HCO_{3} \right )_{2} is converted into CaCO_{3}

 


Option: 4

Mg\left ( HCO_{3} \right )_{2} is converted into MgCO_{3} and Ca\left ( HCO_{3} \right )_{2} is converted into Ca(OH)_{2}


Answers (1)

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Answer (3)

Mg\left ( HCO_{3} \right )_{2}\overset{\Delta }{\rightarrow}Mg\left ( OH \right )_{2}\downarrow+2CO_{2}\uparrow

Ca\left ( HCO_{3} \right )_{2}\overset{\Delta }{\rightarrow}CaCO_{3}\downarrow+H_{2}O+CO_{2}\uparrow

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Rishabh

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