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Potassium is --------, ----------- and -...

Potassium is --------, ----------- and --------- than sodium.

A

Lighter, sofer and more reactive

B

heacier, softer and less reactive

C

lighter, harder and more reactive

D

none of the above

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The correct Answer is:
A
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NARAYNA-S-BLOCK ELEMENTS-LEVEL-III
  1. Identify the correct statement:

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  2. Alkali metals can be extracted form their salts by

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  3. Potassium is --------, ----------- and --------- than sodium.

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  4. The false statement among the following is:

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  5. When Na2CO(3) is added to an aqueous solution of CuSO(4)

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  6. K(2)CS(3) is called potassium -----------.

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  7. Which of the following does not exist?

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  8. The magnetic moment of KO(2) at room temperature is ---------- BM.

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  9. The reaction that takes place when CI(2) gas is passed through conc Na...

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  10. When sodium is added in scanty water, it catches fire. In this process...

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  11. Which of the following compounds on reaction with Na(2)O(2) gives yell...

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  12. Ease with which hydrides are formed form Li to Cs:

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  13. Na(2)CO(3^.)10H(2)O is an efflorescent salt. Under atmospheric conditi...

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  14. Li(2)SO(4) is not isomorphous with sodium sulphate:

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  15. Prefix 'alkali' for alkali metals denotes:

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  16. Na(2)CO(3)+Fe(2)O(3)rarr A+CO(2), what is A in the reaction ?

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  17. Trona is a natural hydrated mixed compound of sodium found in nature. ...

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  18. Washing soda on standing in air effloresced. How many water molecules ...

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  19. Calculate heat of solution of NaCI form the following data: Hydratio...

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  20. On heating 8 moles each of Li(2)CO(3) and K(2)CO(3), how many moles of...

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