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About NaOH some statements are given bel...

About NaOH some statements are given below
i) It is used for mercerising cotton
ii) It can be stored in moist air
iii) It can be used for the purification of Baxuite 

A

I and ii are correct

B

all are correct

C

ii and iii are correct

D

I and iii are correct

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-ALKALI METALS-PRACTICE EXERCISE
  1. The raw materials used in ammonia-soda process are

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

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  3. The following is used in the softening of water

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

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

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

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  7. Which of the following is more soluble in water

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

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

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

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

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

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  13. Correct statement of the following

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  14. The osidation state of potassium in potassium superoxide is

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

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

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

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

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

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  20. KO(2) exhibits paramagnetic behaviour. This is due to the paramagnetic...

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