Bio-Physics (M.Phil./Ph.D.) 2014 Panjab University Entrance Exam With Answers

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15.

Which of the following is not a use for mass spectrometry ?

A: Calculating the isotopic abundance in elements
B: investigating the elemental composition of planets
C: confirming the presence of O-H and C=O in organic compounds
D: calculating the molecular mass of organic compounds

The answer is: C