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NTA Abhyas NEET2020ChemistryAminesPractice

Urea can be detected by

Options

  1. Abenedict test.
  2. Bmolisch test.
  3. Cninhydrine test.
  4. Dbiuret test.

Correct answer

D. biuret test.

Step-by-step solution

When urea is heated it gives the biuret which gives violet colour with C u S O 4 and N a O H .

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