

MCQOPTIONS
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1. |
The charcoal maintained at \[{{100}^{o}}C\] absorbs |
A. | \[Ne\] and \[Kr\] |
B. | \[He\] and \[Ar\] |
C. | \[Ar,\] \[Kr,\] \[Xe\] |
D. | \[He\] and \[Ne\] |
Answer» D. \[He\] and \[Ne\] | |