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Which one of the following statements re...

Which one of the following statements regarding helium is incorrect?

A

It is used to produce and sustain powerful superconducting magnets.

B

It is used as a cryogenic agent for carrying out experiments at low temperatures.

C

It is used to fill gas balloons instead of hydrogen because it is lighter and non-inflammable.

D

It is used in gas-cooled nuclear reactors.

Text Solution

Verified by Experts

The correct Answer is:
C
Helium is heavier than hydrogen although it is non-inflammable.
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DISHA PUBLICATION-THE P-BLOCK ELEMENTS (GROUP 15, 16, 17 & 18)-Exercise
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  2. The correct order of O - O bond length in O(2)H(2)O(2) and O(3) is

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  3. Identify the correct sequence of increasing number of pi-bonds in the ...

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  4. The correct order of S-S bod length is following oxyanions is : (i) ...

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  5. Which of the following statements is false?

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  6. Oxygen and sulphur both are the members of the same group in periodic ...

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  7. A greenish yellow gas reacts with an alkali metal hydroxide to form a ...

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  8. Which one of the following pairs of reactantas does not form oxygen wh...

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  9. Which of the following is correct statement?

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  10. Only iodine forms hepta-fluroide IF(7), but chlorine and bromine give ...

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  11. The incorrect order is

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  12. Which of the following oxyacids of chlorine is formed on shaking chlor...

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  13. The correct statement(s) regarding, (i) HClO, (ii) HClO(2), (iii) HC...

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  14. The formation of O(2)^(+)[PtF(6)]^(-) is the basis for the formation o...

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  15. Inert gases such as heliume behave like ideal gases over a wide rang...

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  16. Out of (i) XeO(3)(ii) XeOF(4) and (iii) XeF(6) the molecules having sa...

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  17. Noble gases can be separated by:

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  18. XeF(2) and XeF(6) are separately hydrolysed then:

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  19. SbF5 react with XeF4 to form an adduct. The shapes of cation and anion...

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  20. Which one of the following statements regarding helium is incorrect?

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