What are the sources of rare gases ?...

What are the sources of rare gases ?

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All the rare gases except radon are present in air
Helium is found absorbed in certain minerals like Clevite and Monazite.

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Glass apparatus is not used for isolation and storing of fluorine. (Tr...
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What are the sources of rare gases ?
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Which of the noble gases is radioactive ?
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Which noble gas has the highest ionisation energy ?
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Name the 1st compound of a noble gas reported by Bartlett.
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Write the reaction between XeF2 and KF ?
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What is the shape of XeF4 molecule ?
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What is molecular geometry of XeO3 ?
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Which is not called as noble gas gas ?
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What is average life and is percentage of argon in air ?
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Write the hybridisation of XeF6 .
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What is shape of XeF6 molecules ?
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The catalyst used in the manufacture of nitric acid by Ostwald process...
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Anhydride of nitric acid isand anhydride of phosphoric acid is.
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