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Railways Sample Paper RRB (Group D) Sample Test Paper-7

  • question_answer
    Which zone of a candle flame is the hottest?

    A)  Dark innermost zone      

    B)  Outermost zone

    C)  Middle luminous zone

    D)  Central zone

    Correct Answer: C

    Solution :

    [c] Middle luminous zone of a candle flame is the hottest.


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