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Which among the following is a use of he...

Which among the following is a use of helium?

A

Used in gas cooled nuclear reactors

B

Used as a cryogenic agent

C

Used to produce and sustain powerful superconducting magnets

D

Used as a dilute for oxygen in modern diving apparatus

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The correct Answer is:
A, B, C, D
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GRB PUBLICATION-P BLOCK ELEMENTS-Multiple Objective Type
  1. XeF(6) (s) can be prepared by:

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  2. Identify the reaction(s) in which the stereochemistry of underlined sp...

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  3. Which among the following is a use of helium?

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  4. Select the correct statement (s) regarding compounds of noble gases:

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  5. Which of the following methods can be used to produce phosphine gas ?

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  6. Which of the following is a redox reaction ?

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  7. Compound (A) contains Cl in its structure and Cl has uninegative and u...

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  8. Which of the following produce(s) N(2) gas ?

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  9. Which of the following reaction(s) give white precipitate?

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  10. Which of the following crystal will have at least two axial angle 90^(...

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  11. When a compound X reacts with ozone in aqueous medium, a compound Y is...

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  12. Which of the following statement is /are correct regarding B(2)H(6)?

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  13. Which of the following statements is /are correct regarding inter-halo...

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  14. When an inorganic compound (X) having (3c, 2e) as well as (2c, 2e) bon...

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  15. Boric acid :

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  16. The correct statement(s) related to allotropes of carbon is/are:

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  17. Al(2)(SO(4))(3)+NH(4)OH rarr X, then:

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  18. The species that undergo(es) disproportionation in al alkaline medium ...

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  19. Select correct statement(s):

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  20. Which of the following is/are correct for group 14 elements?

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