Subject :NSO Class : Class 9
Study the given flow chart carefully.
Choose the correct statement.
A During step I, carbon dioxide of the air condenses
first to form liquid carbon dioxide.
B Boiling point of fraction II is -183°C.
C The air is compressed in step I simply by applying
high pressure and high temperature.
D % by volume of the fraction III in air is 20.9.
Ans 1:
Class : Class 9
ANS is D
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