In what respect will two dry samples of nitrogen gas differ from each other if sample 1 is prepared by completely removing CO₂ and O₂ from air, and sample 2 is prepared by passing purified nitrogen(i)oxide over heated copper? sample 1 is

purer than sample 2

slightly denser than sample 2

in all respects the same as sample 2

colourless but sample 2 has a light brown colour

slightly less reactive than sample 2

Correct answer is B

No explanation has been provided for this answer.

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In what respect will two dry samples of nitrogen gas differ from each other if sample 1 is prepared by completely removing CO2 and O2 from air, and sample 2 is prepared by passing purified nitrogen(i)oxide over heated copper? sample 1 is