Noble gases are prepared by the:...

Noble gases are prepared by the:

A

Condensation of gases of the air

B

Fractionation of liquid oxygen

C

Removal of nitrogen and oxygen from air

D

Fractionation of liqud air

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The correct Answer is:

D

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The commonest gas in the atmosphere is:
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Precentage of argon in air is about:
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Noble gases are prepared by the:
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Inert gases such a helium behave like ideal gases over a wide range of...
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The atomic weight of noble gases is obtained by using the relationship
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The mixture of noble gases is separated by:
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The solubility of noble gases in water shows the order:
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compounds formed when the noble gases get entrapped in the cavities of...
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Which compound is prepared by the following reaction: Xe(g) + 2F2(g)ov...
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The last member o inert gas family is
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A clathrate is defined as:
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Which noble gas has the least tendency to form compounds:
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Which noble gas was first of all detected in solar chromosphere:
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Which Noble gas is not found in atmosphere
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Noble gases do not react with other elements because:
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Who observed helium first on the earth :
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The noble gas which behaves abnormally in liquid state is
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Hybridisation of Xe atom in XeF6 is:
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The inert gas used as substituent for nitrogen in oxygen used by deep ...
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The ease of liquefaction of noble gases decrease in the order :
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