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Subject :NSO    Class : Class 8

In fractionating column, various fractions are obtained at various heights of the column. As the vapours reach at a height where temperature is equal to or just below the boiling point of that fraction, it will

A Condense to form a liquid
B Remain in gaseous state
C Condense to form a solid
D Escape from the column.


Ans 1:

Class : Class 8

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