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What are alkali metals kept in Kerosene?...

What are alkali metals kept in Kerosene?

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Alkali metals are kept in kerosene oil. Which of the following reason (s) is /are correct regarding this statement?

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DINESH PUBLICATION-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS )-SAQ
  1. What are alkali metals kept in Kerosene?

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  2. Alkali metals have low ionisation energies. Explain.

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  3. Explain why cesium and not sodium is used in photo electric cell?

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  4. In aqueous solution, Li^(+) ion has the least mobility among alkali me...

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  5. Why do alkali metals form unipositive ions and impart characteristic c...

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  6. Complete the following : (i) Li + CH -= CH to (ii) Na + O(2) to ...

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  7. Why do alkali metals dissolve in liquid ammonia to form blue solution ...

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  8. Lithium forms monoide, sodium gives peroxide while the rest of the alk...

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  9. Strengths of the bases increases from LiOH to CsOH. Justify.

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  10. Alkali metal ions are colourless as well as diamagnetic. Explain

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  11. Sodium metal can be used to dry diethyl ether and not ethyl alcohol. W...

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  12. Sodium is perpared by the eletrclysis of molten NaCl but not by the...

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  13. Give two important uses of washing soda and baking soda.

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  14. Assign reasons for the following (i) alkali metals impart characteri...

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  15. Explain the trends in the solubility of carbonates , sulphates and hyd...

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  16. Delta iH(1) value of Mg more than that of Na while its Delta iH(2) v...

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  17. Discuss the structure of beryllium chloride in different states.

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  18. What is diagonal relationship? Why does Li resemble with Mg?

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  19. How will you prepare anhydrous magnesium chloride from sea water ?

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  20. How is gypsum converted into plaster of paris ? Why is plaster of pa...

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