A mixture of camphor and benzide acid can be separated by:
Correct answer: C. Chemical method
- A. Fractional crystallization
- B. Sublimation
- C. Chemical method
- D. Extraction with solvent
Explanation
Camphor can sublime (change directly from solid to vapor) on heating.Benzoic acid remains as a solid because it does not sublimate. Heating the mixture allows camphor to separate, leaving benzoic acid behind.
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Analytical chemistry identifies and measures substances using separation and instrumental methods. Chromatography is studied through stationary and mobile phases, retention and Rf values, while spectroscopy connects absorption of electromagnetic radiation with molecular structure and supports qualitative and quantitative analysis through techniques such as UV-visible and infrared spectroscopy.
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