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JEE Main2010ChemistryBiomoleculesActual

Biuret test is not given by

Options

  1. Acarbohydrates
  2. Bpolypeptides
  3. Curea
  4. Dproteins

Correct answer

A. carbohydrates

Step-by-step solution

It is a test characteristic of amide linkage. Urea also has amide linkage like proteins.

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