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21
All the following are electron donating groups except:
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Answer: Option D
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22
The source of radiation used in Infra red spectroscopy . . . . . . . .
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Answer: Option A
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23
If an organic compound does not absorb UV visible radiation it does not means compound does not contain:
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Answer: Option C
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24
Most widely used solvent in HPLC is:
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Answer: Option B
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25
Which of the below detector works on wheatstone bridge principle?
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Answer: Option C
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26
The end point in the assay was determined by
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Answer: Option B
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27
Which of the following detectors used in gas chromatography are mass flow sensitive?
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Answer: Option B
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28
Nuclear magnetic moment is not shown by
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Answer: Option B
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29
The chemical shift value is
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Answer: Option A
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30
The factors affecting diffusion current in the polarography is denoted by
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Answer: Option B
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