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why are alkali metals stored in kerosene...

why are alkali metals stored in kerosene ?

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When the highly reaction alkali metals are exposed to air, thy readily react, with oxygen, moisture and carbon dioxide of air of form oxides, hydroxide and carbonates repectively. In order to prevent these reactions, alkali metals are normally stored in kerosene, an inert liquid.
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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -QUESTION-ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)
  1. why are alkali metals stored in kerosene ?

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  2. Alkali metals are good reducing agents - Why ?

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  3. Explain why the alkali metals cannot be obtained by reducting method.

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  4. Which alkali metal ion has maximum polarising power and why ?

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  5. What makes lithium exhibit uncommon properties compared to the rest of...

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  6. What is the common oxidation state exhibited by the alkali metals and ...

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  7. Fire caused by sodium in the laboratory cannot be extinguished by spra...

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  8. Why does Li not exist with Na or K in their minerals?

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  9. What is the difference between baking soda and baking powder?

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  10. Though table salt is not deliquescent but it gets wet in rainy season ...

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  11. A freshly cut piece of sodium metal appear shiny but its metallic iust...

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  12. What happens when each of the following compound is heated? Li2CO3

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  13. What happens when each of the following compound is heated? Na2CO3

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  14. What happens when each of the following compound is heated? LiNO3

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  15. What happens when each of the following compound is heated? KNO3

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  16. What happen when Hclgas is passed through a concentrated solution of c...

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  17. What happen when caustic soda beads are exposed to air for a long time...

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  18. How will you convert Na2CO3 into NaHCO3 and vice versa ?

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  19. Why do Gr-2 metals not exist in free state in nature?

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  20. Which out of Na^(+) and Mg^(+) ion, has greater polarising power and w...

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