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Micro-cosmic salt is :...

Micro-cosmic salt is :

A

`Na_(2)HPO_(4).2H_(2)O`

B

`(NH_(4))_(2)HPO_(4) 2H_(2)O`

C

`Na(NH_(4))HPO_(4). 4H_(2)O`

D

None of these

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The correct Answer is:
C
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DINESH PUBLICATION-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS )-MCQB
  1. Compared with the alkaline earth metals, the alkali metals exhibit

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  2. Which is maximum basic in the following ?

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  3. Micro-cosmic salt is :

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  4. Which of the following has the highest lattice energy ?

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  5. The affinity of sodium with water is used in

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  6. Which is maximum reactive towards water ?

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  7. Which has the maximum electropositive character ?

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  8. The electronic configuration of metal M is 1s^(2)2s^(2)2p^(6)3s^(1). T...

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  9. The stability of the following alkali metal chlorides follows the orde...

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  10. which has the maximum m.p ?

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  11. Which electronic configuration corresponds to least ionisation energy?

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  12. Which is formed with lithium is heated in air?

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  13. What types of ions are present in anhydrous mixture of KF and HF ?

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  14. Sodium gives blue colour in NH(3) solution. This blue colour is due to

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  15. When washing soda is heated.

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  16. Which sulphate has the highest solubility in water ?

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  17. Ba,Sr,Ca and Mg may be arranged in order of decreasing first ionisatio...

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  18. Which is the correct order of increasing basic strength?

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  19. Electronic configuration calcium atom can be written as

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  20. The most electropositive amongst the alkaline earth metals is:

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