SSC General Science & Technology Sample Paper NCERT Sample Paper-2

  • question_answer
    The Hottest part of the gas flame is known as the

    A)  Blue zone         

    B)  dark zone

    C)  Non-luminous zone

    D)  luminous zone

    Correct Answer: C

    Solution :

    [c] Non luminous zone is the zone of a flame which is also the hottest zone of the flame as it is mostly in contact with oxygen. It is also called invisible zone.

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