Select the Sentence with the Correct Subordinating Conjunction and the Correct

question 25

Multiple Choice

Select the sentence with the correct subordinating conjunction and the correct punctuation.

• A) Charlie was an excellent student though he studied hard.
• B) Charlie was an excellent student because he studied hard.
• C) Unless Charlie studied hard, he was an excellent student.

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Definitions:

Off-Resonance Decoupled

A technique in nuclear magnetic resonance (NMR) spectroscopy used to simplify spectra by removing certain interactions.

Multiplicities

In NMR spectroscopy, refers to the splitting of a resonance into multiple peaks due to spin-spin coupling.

Proton Spin Decoupled

A technique in NMR spectroscopy used to simplify spectra by removing the interactions between proton spins.

Singlets

In spectroscopy, a single peak or line that represents a non-split energy level.