The following are some statements regard...

The following are some statements regarding Claude's method
I : The boiling point of Ar is nearer to `O_2`
II : `N_2` is removed as `CaCN_2`
III : `O_2` is removed as `MgO`
IV : From a mixture of He and Ne, Ne is removed by liquefaction with liquid hydrogen The correct statements are

A

Both I and II

B

Both I and III

C

Both I and IV

D

I, II and IV

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The correct Answer is:

D

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