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The ashes of plant contain alkali metals...

The ashes of plant contain alkali metals, `90%` of which is:

A

Li

B

K

C

Na

D

Rb

Text Solution

Verified by Experts

The correct Answer is:
B
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MBD PUBLICATION-S- BLOCK ELEMENTS [ALKALI AND ALKALINE EARTH METALS]-QUESTION TYPE
  1. When aqueous solution of sodium hydroxide is electrolysed ?

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  2. The lighest metal among the following is:

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  3. The ashes of plant contain alkali metals, 90% of which is:

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  4. The chloride that can be extracted with ether:

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  5. Which of the following alkali metal does not form alum:

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  6. The nitride ion in lithium nitride is composed of:

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  7. The reaction of water with sodium and potassium is:

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  8. Which ion forms a hydroxide highly soluble in water ?

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  9. Which of the following has minimum values of cation-anion size ratio ?

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  10. Which of the following statements is false regarding saline hydrides ?

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  11. Sodium thiosulphate is used in photography beacause of its:

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  12. Sodium thiosulphate, Na2S2O3.5H2O is used in photography to:

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  13. When sodium is heated in flame it gives:

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  14. Which of the following compounds on reaction with NaOH and H2O2 gives ...

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  15. Dissolving metallic zinc in access of NaOH produces:

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  16. When sodium metal is dissolved in liquid ammonia, a blue solution is f...

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  17. The chemistry of lithium is very much similar to that of magnesium eve...

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  18. Fusion of AgCl with Na2CO3 gives:

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  19. Tin dossolve in boiling caustic soda solution because of the formation...

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  20. Sodium metal cannot be stored under:

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