Science

8th

grade

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combustion and flame

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13 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Burning of charcoal in a closed room will produce

    Carbon dioxide

    Nitrogen dioxide

    Carbon monoxide

    Sulphur dioxide

  • 2. Multiple Choice
    30 seconds
    1 pt

    The substances which have very low ignition temperature will

    Catch fire easily

    Will not catch fire

    Catch fire after some time

    None of these

  • 3. Multiple Choice
    30 seconds
    1 pt

    Ignition temperature is

    Lowest temperature at which a substance catches fire

    Highest temperature at which a substance catches fire

    Any temperature

    1000 C

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