Railways RRB (Assistant Loco Pilot & Technician) Solved Paper-2 (2013)

  • question_answer
    A substance which alters the rate of reaction is  called                                                  

    A)  activator               

    B)  initiator                         

    C)  promoter               

    D)  catalyst

    Correct Answer: D

    Solution :

    Not available 


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