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Monovalent sodium and postassium ions, b...

Monovalent sodium and postassium ions, bivalent magnesium and calcium ions are found in :

A

lipids

B

fats

C

enzymes

D

biological fluids

Text Solution

Verified by Experts

The correct Answer is:
D
All these ions are present in biological fluids. For details about their functions, consult section 10.11 and section 10.20
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DINESH PUBLICATION-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS )-JEE MAIN
  1. Which will liberate hydrogen on reacting with hydrochloric acid ?

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  2. A metal X on heating in nitrogen gas gives Y,Y on treatment with H(2)O...

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  3. Formula of gypsum is CaSO(4).xH(2) and of plaster of parts is (2CaSO(4...

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  4. The substance not likely to contain CaCO(3) is:

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  5. The ionic mobility of alkali metal ions in aqueous solution is maximum...

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  6. The charge/size ratio of a cation determines its polarising power. Whi...

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  7. The set representing the correct order of ionic radius is

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  8. Which of the following on thermal decomposition yields a basic as wel ...

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  9. The correct statement for the molecule, CsI(3) is

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  10. A metallic oxide reacts with water to form its hydroxide hydrogen pero...

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  11. Monovalent sodium and postassium ions, bivalent magnesium and calcium ...

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  12. Amongest the following, select the element, with highest ionization en...

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  13. Which one of the following alkaline earth metal sulphates has its hydr...

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  14. The pair of compounds which cannot exist in solution is:

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  15. A solid compound 'X' on heating gives CO(2) gas and a residue. The res...

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  16. In which of the following pairs, each member produces the same gas whe...

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  17. Which one of the following has minimum value of size of cation/anion r...

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  18. Match the elements given in Column I with the colour they impart to th...

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  19. The main oxides formed on combustion of Li,Na and K in excess of air r...

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  20. The low solubility of LiF and that of CsI in water are respectively du...

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