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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-6

  • question_answer
    An element which changes the rate of a chemical reaction but does not undergo any change in itself, is called

    A)  Electrolyte        

    B)  catalyst

    C)  Lubricant         

    D)  litmus

    Correct Answer: B

    Solution :

    A catalyst is a substance that can increase the rate of a reaction but does not undergo any change in itself.


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