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Na(2)CO(3).10H(2)O when exposed to air l...

`Na_(2)CO_(3).10H_(2)O` when exposed to air looses water of crystallisation and gives finally 

A

`NaCO_(3). 4H_(2)O`

B

`Na_(2)CO_(3). H_(2)O`

C

`Na_(2)CO_(3). 7H_(2)O`

D

`Na_(2)CO_(3). 9H_(2)O`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ALKALI METALS-PRACTICE EXERCISE
  1. The mole ratio of products H(2), NaOH, CI(2) formed in a Nelson cell m...

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  2. The raw materials used in ammonia-soda process are

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  3. Na(2)CO(3).10H(2)O when exposed to air looses water of crystallisation...

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  4. The following is used in the softening of water

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  5. Reaction that is not related to the preparation of sodium carbonate by...

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  6. Purpose of 'U' shaped perforated vessel in Nelson cell is mainly to pr...

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  7. About NaOH some statements are given below i) It is used for merceri...

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  8. Which of the following is more soluble in water

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  9. In cell fluid, the most abundant cation is :

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  10. Among the following which is/are correct regarding abnormal properties...

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  11. Match the following oxides of alkalimetals and their hydrolisis produc...

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  12. The melting and boiling points of halides of alkali metals follow the ...

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  13. A typical 70 kg man contains about 90g of 'A', 170 g of 'B', 5 g of 'C...

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  14. Correct statement of the following

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  15. The osidation state of potassium in potassium superoxide is

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  16. Wrong statement regarding solutions of alkalimetals in liquid ammonia ...

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  17. Which of the following is the correct order of density ?

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  18. The numbers of s,p,d and f-electrons in caesium atom are respectively

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  19. Total number of electrons present in a super oxide anion is

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  20. Solution ''X'' contains Na(2)CO(3) and NaHCO(3),  20 ml of X when titr...

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