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Alkali metals are generally extracted by...

Alkali metals are generally extracted by

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The correct Answer is:
D
Alkali metals are highly electropositive and thus highly reducing .Therefore reduction, double decomposition and displacement methods for their extraction are not suitable. Only electrolytic methods are useful for their extraction.
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DISHA PUBLICATION-THE s-BLOCK ELEMENTS-Exercise - 1 : Concept Builder (Topicwise)(TOPIC 1 : Preparation and Properties of Alkali Metals and their Compounds)
  1. Which of the following is known as fusion mixture ?

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  2. The dominant cation in the blood plasma (extracellular fluid) is

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  3. Among LiI, NaI, KI the one which is more ionic and more soluble in wat...

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  4. Based on lattice energy and other considerations which one of the foll...

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  5. The correct order of radii is A)N lt Be lt B B)F^(-) lt O^(2-) lt N^...

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  6. The melting point of lithium (181^(@)C) is just double the melting poi...

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  7. Alkali metals are generally extracted by

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  8. Which of the following has the least ionization potential ?

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  9. Fires, that result from the combustion of alkali metals can be extingu...

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  10. The stability of the following alkali metal chlorides follows the orde...

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  11. The order of solubility of lithium halides in non-lolar solvents follo...

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  12. Alkali metals form peroxides and superoxides except

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  13. Which of the following is used as a source of oxygen in square capsule...

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  14. Which of the following statements is false for alkali metals ?

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  15. Which of the following statements is correct for CsBr(3)?

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  16. The solubility order for alkali metal fluoride in water is :

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  17. An alloy of which pair of metals is liquid at ordinary temperature and...

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  18. An alkaline metal oxide which is soluble in NaOH has

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  19. The alkali metals which form normal oxide, peroxides as well as super ...

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  20. Which of the following compounds are paramagnetic in nature?

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