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Select the correct statement from the following option. (a)Infrared spectra can identify the unknown materials

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Select the correct statement from the following option.

(a) Infrared spectra can identify the unknown materials

(b) It can determine the amount of components in a mixture

(c) It can also determine the quality of a sample

(d) All of the mentioned

I got this question during an internship interview.

My query is from Vibrational Spectroscopy in section Absorption Spectroscopy of Engineering Chemistry I

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Correct answer is (d) All of the mentioned

The best explanation: Infrared spectra can identify the unknown materials. It can determine the amount of components in a mixture and can also determine the quality of a sample.

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