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In Down's process for the manufacture of...

In Down's process for the manufacture of sodium , `CaCl_(2)`, is added to increase its melting point.

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The correct Answer is:
`CaCl_(2)` and `KF`
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DINESH PUBLICATION-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS )-Problems For Practice
  1. Which alkali metal hydride is used for filling meterological ballons?

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  2. Water glass is:

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  3. (a) Name the most abundant metal in the earth's crust. (b). Name the...

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  4. Which alkali metal chloride is soluble in alcohol?

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  5. In Down's process for the manufacture of sodium , CaCl(2), is added to...

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  6. Among LiF and LiI, which has more covalent character and why ?

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  7. The alkaline earth metals, which do not impart any colour to Bunsen fl...

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  8. Lithium resembles magnesium in some respects though placed in a differ...

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  9. Epson salt's chemical formula is

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  10. Which are more electropositive - alkali metals or alkaline earth metal...

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  11. Which is quick lime ?

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  12. Magnesite is an ore of .

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  13. The correct order of relative basic character of NaOH, Mg(OH)(2) and A...

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  14. Which alkaline earth metal constitute Grignard reagent?

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  15. ArrangeCaSO(4), MgSO(4), BaSO(4) in increasing solubility in water.

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  16. Name the compound of Mg, O, Cl and H used as cement for joining cracke...

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  17. Which is covalent in CaH(2), NaH BeH(2)?

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  18. Name a compound of calcium and hydrogen used as a portable source of h...

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  19. Name the salt which is generally given to the patient before taking st...

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  20. Arrange BeCl(2), MgCl(2), CaCl(2), SrCl(2) and BaCl(2) in increasing o...

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