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Is it possible to remove completely by boiling the temporary hardness due to `Mg(HCO_(3))_(2)` ?

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To determine whether it is possible to completely remove the temporary hardness due to magnesium bicarbonate, \( Mg(HCO_3)_2 \), by boiling, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Temporary Hardness**: - Temporary hardness in water is primarily caused by the presence of bicarbonates of calcium and magnesium. In this case, we are focusing on magnesium bicarbonate, \( Mg(HCO_3)_2 \). 2. **Effect of Boiling on Magnesium Bicarbonate**: ...
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It is possible to remove completely the temporary hardness due to Mg(HCO_(3)) by boiling?

Give reason for the following a. The process 1/2H_(2(g))+e^(ɵ)toH_((g))^(ɵ) is endothermic, yet ionic hydrides are known. b. A mixture of hydrazine and H_(2)O_(2) with Cu(II) catalyst is used as a rocket propellant. c. It is possible to remove completely the temporary hardness caused due to Mg(HCO_(3))_(2) by boiling.

The temporary hardness of water is due to :

The temporary hardness of water is due to :

A water is said to be soft water if it produces sufficient foam with the soap and water that does not produce foam with soap is known as hard water. Hardness has been classified into two types (i)Temporary hardness (ii) Permanent hardness. Temporary hardness is due to presence of calcium and magnesium bicarbonate. It is simply removed by boiling as Ca(HCO_(3))_(2)overset(Delta)rarr CaCO_(3)darr+CO_(2)uarr+H_(2)O Mg(HCO_(3))_(2)overset(Delta)rarr MgCO_(3)darr+CO_(2)uarr+H_(2)O temporary hardness can also be removed by addition of slaked lime, Ca(OH)_(2) Ca(HCO_(3))_(2)+Ca(OH)_(2)to2CaCO_(3)darr+2H_(2)O permanent hardsness is due to presencce of sulphates and chlorides of Ca,Mg,etc. It is removed by washing soda as CaCl_(2)+Na_(2)CO_(3)toCaCO_(3)darr+2NaCl CaSO(4)+Na_(2)CO_(3)to CaCO_(3)darr+Na_(2)SO_(4) Permanent hardness also removed by ion exchange resin process as 2RH+Ca^(2+) to R_(2)Ca+2H^(+) 2ROH+SO_(4)^(2-)toR_(2)SO_(4)+2OH^(-) The degree of hardness of water is measured in terms of PPm of CaCO_(3) 100 PPm means 100 g of CaCO_(3) is present in 10^(6) g of H_(2)O . If any other water sample which contain 120 PPm of MgSO_(4) , hardness in terms of CaCO_(3) is equal to =100 PPm. What is the mass of Ca(OH)_(2) required for 10 litre of water remove temporary hardness of 100 PPm due to Ca(HCO_(3))_(2) ?

How is temporary hardness in water removed?

PRADEEP-HYDROGEN -ADDITIONAL QUESTIONS (very short answer questions) (Dihydrogen)
  1. Why is dihydrogen not preferred in weather balloons these days?

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  2. Give an example of (i) ionic hydride, (ii) covalent hydride.

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  3. What is hydrolith? How is it prepared?

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  4. Name two complex metal hydrides which are used as reducing agents in o...

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  5. What type of elements form interstitial hydrides ?

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  6. Write two uses of interstitial hydrides .

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  7. What is hydride gap?

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  8. Explain why beryllium forms a covalent hydride while calcium forms an ...

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  9. The boiling point of H(2)O is higher than that of H(2)S . Explain.

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  10. What is meant by the term auto-protolysis of water ?

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  11. A sample of hard water is allowed to pass through anion exchange resin...

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  12. Is it possible to remove completely by boiling the temporary hardness ...

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  15. Can marine species live in distilled water?

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  16. How is heavy water produced from ordinary water ?

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  17. Why is sodium chloride less soluble in heavy water than in ordinary wa...

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  18. What happens when heavy water is added to calcium carbide?

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