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Why lithium is kept wrapped in paraffin ...

Why lithium is kept wrapped in paraffin wax and not stored in kerosene oil ?

A

It reacts with kerosene

B

It floats to the surface of kerosene because of low density

C

It does not react with air and `H_(2)O`

D

It is an inert metal

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-THE S-BLOCK ELEMENTS-Assignment (Section-A)
  1. Which among the following is the strongest reducing agent?

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  2. Sodium chloride gives a golden yellow colour to the bunsen flame, whic...

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  3. Why lithium is kept wrapped in paraffin wax and not stored in kerosene...

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  4. Which of the following oxides is the most basic in nature?

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  5. Which among Na,K,Cs and Li forms most stable hydride?

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  6. Lithium and magnesium exhibit diagonal relationship because

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  7. Sodium sulphate is soluble in water,whereas barium sulphate is sparing...

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  8. Sodium carbonate can be manufactured by Solvay's process but potassium...

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  9. Which decomposes on heating-

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  10. Solvay process is used for the manufacture of

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  11. In the manufacture of sodium hydroxide by product obtained is

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  12. Sodium cannot be obtained by the electrolysis of aqueous solution of N...

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  13. Which of the following bicarbonate does not exist in solid state?

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  14. Magnesium cation has polarising power close to that of :

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  15. In the preparation of sodium carbonate (Na(2)CO(3)) which of the follo...

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  16. Which of the following halides has the highest melting point-

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  17. The first ionisation enthalpies of the alkline earth metals are higher...

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  18. The most electronegative alkaline earth metal is

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  19. Which of the following electronic configuration in the outermost two s...

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  20. Why does magnesium from Mg^(2+) and not Mg^(+)?

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