Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-2

  • question_answer
    Which acid is used in rubber, textile, leather and electroplating industries?

    A)  Ethanoicacid             

    B)  Methanoic acid

    C)                    Malanicacid    

    D)        Butairicacid               

    Correct Answer: B

    Solution :

    Methanoic acid is a colorless, pungent smelling liquid with a boiling point 373.5 K. Due to the presence of aldehyde-like hydrogen, it is powerful reducing agent. It reduces Tollen's reagent and Fehling's solution. It is used in rubber, textile, dyeing, leather and electroplating industries.


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