Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-21

  • question_answer
    Carboxylic acid group can be detected by

    A)  sodium bisulphite test

    B)  fehling's solution test

    C)  tollen's reagent

    D)  \[NaHC{{O}_{3}}\]

    Correct Answer: D


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