Which of the following technique is based on the absorption of light radiation?
Correct answer: D. All the above techniques
- A. Spectrophotometry
- B. Colorimetry
- C. NMR
- D. All the above techniques
Explanation
Spectrophotometry and colorimetry both measure the amount of light absorbed by a substance to determine its concentration. Nuclear Magnetic Resonance (NMR) spectroscopy involves the absorption of radiofrequency radiation by atomic nuclei in a magnetic field.
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