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23-02-2015
Biology

Answered

If you remove all of the functional groups from an organic molecule so that it has only carbon and hydrogen atoms, the molecule becomes a _____ molecule.
A.carbohydrate
B.carbonyl
C.carboxyl
D.hydrocarbon

Answer :

23-02-2015

D. The molecule becomes a hydrocarbon, as only hydrogen and carbon atoms are present in the molecule. Also, all 3 other options would mean that other atoms, aside from carbon and hydrogen (such as oxygen) would have to be present for this molecule to exist.

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