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On weight basis air contains following parts of oxygen

This question belongs to Mechanical Engineering Engineering Thermodynamics
Engineering Thermodynamics
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On weight basis, air contains following parts of oxygen

Answer & Solution
Correct Answer: Option B
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2 Comments
Kalpesh Rathwa
Kalpesh Rathwa 5 years ago
weight basis-23
volume basis-21
AMAL NALINAM
AMAL NALINAM 7 years ago
Option A, ie 21 is the answer.
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