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When temporary hard water containing Mg(...

When temporary hard water containing `Mg(HCO_(3))_(2)` is boiled, the ppt. formed is of

A

`MgCO_(3)`

B

`MgO`

C

`Mg(OH)_(2)`

D

None of these

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Verified by Experts

The correct Answer is:
c
`Mg(OH)_(2)` is less soluble than `MgCO_(3)`. On boiling temporary hard water containing `Mg^(+2)` ions, the ppt. obtained is of `Mg(OH)_(2)` are not that of `MgCO_(3)`
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A2Z-HYDROGEN-Water
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  2. Water is said to be permanently hard when it contains :

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  3. When temporary hard water containing Mg(HCO(3))(2) is boiled, the ppt....

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  4. Permanent hardness due to Mg^(2+) ions is best removed by

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  5. Heavy wateris compound of :

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  6. Whichh of the following is correct about heavy water ?

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  7. Which of the following statements do not define the characteristic pro...

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  8. Which of the followign is used as a moderator in nuclear reactors ?

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  9. By adding which of the following process, permanent hardness of water ...

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  10. Hardness producing salt, whose solubility in water decreases with rise...

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  11. Molecular weight of heavy water is

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  12. The bond angle and dipole moment of water respectively are :

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  13. Of the two solvent H(2)O and D(2)O, NaCl dissolves

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  14. When zeolite, which is hydrated sodium aluminium silicate is treated w...

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  15. Which of the following metal will not reduce H(2)O ?

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  16. The H-O-H angle in water molecule is about

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  17. Two ice cubes are pressed over each other and unite to form one cube ....

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  18. Water obtained by purification with organic ion exchange resins is

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  19. Which of the following can effectively remove all types of hardness of...

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  20. The correct order of stability of hydrides of alkali metals is

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