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Which of the following ions perform impo...

Which of the following ions perform important biological functions in maintenance of the ion balance and nerve impulse conduction?

A

`Li^(+) Rb^(+)`

B

`Na^(+) K^(+)`

C

`Cs^(+) Fr^(+)`

D

`Rb^(+) Cs^(+)`

Text Solution

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The correct Answer is:
B
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FULL MARKS-ALKALI AND ALKALINE EARTH METALS-Additional Questions Solved(M.C.Q)
  1. Which one of the following alkali metals is highly reactive with water...

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  2. Which of the following is insoluble in water?

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  3. Which of the following ions perform important biological functions in ...

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  4. Which is the function of sodium - potassium pump?

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  5. Which of the following ions are more responsible for transmission of n...

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  6. Which of the following fruits contain maximum of potassium?

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  7. Among the alkaline earth metals, which is radioactive in nature?

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  8. Among the following, which is the fifth most abundant element?

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  9. Which one of the following is covalent in character?

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  10. Which one of the following is used in purification of sugar and as dry...

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  11. Statement-I: Alkali metals are very soft metals Statement-II: Since...

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  12. Statement-I: BeCl(2) is soluble in organic solvent. Statement-II: ...

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  13. Which one of the following is true?

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  14. Statement-I: Cesium is considered as the most electropositive element ...

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  15. Which of the following is the least thermally stable?

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  16. Which of the following is not a peroxide?

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  17. Among the following pairs, which occurs in large amounts in sea water?

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  18. Which of the following are stored under oil?

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  19. Which of the following salt is more soluble?

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  20. Which one of the following is the smallest atom?

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