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How very pure dinitrogen gas can be obta...

How very pure dinitrogen gas can be obtained ?

A

By liquidification of air and fractional distillation.

B

By thermal decomposition of sodium or barium azide.

C

By the reaction of aqueous ammonium chloride with aqueous sodium nitrite.

D

By thermal decomposition of ammonium dichromate.

Text Solution

Verified by Experts

The correct Answer is:
B
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KUMAR PRAKASHAN-THE P-BLOCK ELEMENTS -SECTION-E (MULTIPLE CHOICE QUESTIONS (MCQS)) (MCQS ASKED IN BOARD EXAM)
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  2. Which product is obtained by partial hydrolysis of XeF6?

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  3. How very pure dinitrogen gas can be obtained ?

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  4. Mention the proper choice for the True and False statement. For True s...

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  5. Which of the oxide shows appearance like metallic copper ?

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  6. Which of following oxide is not acidic ?

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  7. Which of the following elements is not included in Group-15 ?

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  8. (NH(4))(2). Cr(2)O(7) overset(Delta) to N(2)(g) + 4H(2)O(l) + X(s) ...

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  9. Which of the following statements is not applicable to white phosphoru...

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  10. Which acid is obtained by dissolving P(4)O(6) in water ?

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  11. What is the aquaregia ?

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  12. Which interhalogen compound is identified by spectroscopic method ?

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  13. What is the colour of ICl3 ?

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  14. Which is the molecule that possesses pentagonal pyramid structure?

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  15. Select the proper choice by true statement by symbol "T" and false sta...

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  16. Oxidation number of sulphur in sulphuryl chloride is

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  17. Geometrical shape of XeF6 is

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  18. The oxidation state of phosphorus in phosphonic acid is

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  19. Which element comes in 5th period of chalcogen group ?

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  20. 4Cu + 10HNO(3) to Cu(NO(3))(2) + X + H(2)O Mention the substance 'X'

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