I. It has a varied composition from one place to another....
I. It has a varied composition from one place to another. ll. it constituents can be separated by physical means
lll. It contains unreactive noble gases
which of the above shows that air is a mixture?
I and ll only
ll and lll only
l and lll only
l,lll and lll
Correct answer is D
No explanation has been provided for this answer.
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