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Chemistry
Is Matter Around Us Pure?
CBSE
Class 9
Chemistry
Class 9 - Chemistry
Is Matter Around Us Pure?
MCQ
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1.
The liquid air has three components X, Y and Z whose boiling points are :-186°C,-183°C and 196°C, respectively. When liquid air is fed into a tall fractional distillation column from near its bottom and warmed up slowly:
a.
Which component be collected from near the bottom of the fraction distillation column ? Why ?
b.
Which component will be coUected from the top part of the fractional distillation column ? why ?
c.
Which component will be collected from the middle part of the fractional distillation column ? Why ?
d.
What could be component x,y and z be ?
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