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The most common cations in biological sy...

The most common cations in biological systems are :

A

`Na^(+)andMg^(2+)`

B

`Ca^(2+)andMg^(2+)`

C

`Na^(+)andK^(+)`

D

`K^(+)andMg^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
C
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MODERN PUBLICATION-CHEMISTRY OF s-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS (LEVEL-II)
  1. Causticization is a process in which :

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  2. Electrolysis of molten NaCl leads to the formation of :

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  3. The most common cations in biological systems are :

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  4. Which of the following pair cannot exist in solution?

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  5. Which of the following compound, on reaction with NaOH and Na(2)O(2) g...

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  6. Which of the following statement is not correct ?

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  7. For two ionic solids KI and CaO, identify the wrong statement among th...

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  8. The correct sequence of increasing covalent character is represented b...

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  9. Which one of the following is not dissolved in dilute hydrochloric aci...

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  10. Sesquoxides of alkali metals may be represented by the formula :

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  11. Among KO(2),AlO(2)^(-),BaO(2)andNO(2)^(+), unpaired electron is presen...

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  12. Which of the following oxides is most acidic in nature ?

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  13. Which of the following does not react with water even under red hot co...

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  14. The reducing power of a metal depends on various factors. Suggest the ...

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  15. Which of the metal carbonates is most stable thermally?

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  16. Which of the carbonates given below is unstable in air and is kept in ...

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  17. Which of the following metal hydroxide is the least basic ?

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  18. Among the following metal halides, the one which is soluble in ethanol...

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  19. Which of the following Group 2 metal hydroxides is soluble in sodium h...

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  20. In the synthesis of sodium carbonate, the recovery of ammonia is done ...

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