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Proteins gives purple colour when tested with

Proteins gives purple colour when tested with

Options

(a) ninhydrin reagent
(b) biuret
(c) Benedict’s reagent
(d) iodine solution

Correct Answer:

ninhydrin reagent

Explanation:

when protein is mixed with a dilute solution of ninhydrin, a purple or blue colour is produced. This test is done by all proteins, dipeptides and also by amino acids.

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