AiimsBiomoleculesAIIMS 2019MCQ+1 / -0.332019Protein on reaction with which yields Ruhemann's purple?ANinhydrinB\(\mathrm{Cu}^{2+}\)C\(\mathrm{H}_2 \mathrm{O}_2\)DBenedict's solutionCheck AnswerClear SelectionReveal AnswerShow Explanation