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Kindly consider the following 

 

Option 1 -

A

Option 2 -

B

Option 3 -

C

Option 4 -

D

0 2 Views | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    a month ago
    Correct Option - 1


    Detailed Solution:

    The Kjeldahl method is not applicable for nitrogen estimation in:

    Compounds containing nitrogen in a nitro group.

    Compounds containing an Azo group.

    Pyridine.

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