Science

8th

grade

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Combustion and Flame

7
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14 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Burning of coal and diesel releases an extremely suffocating and corrosive gas called:

    Hydrogen

    Sulphur dioxide

    Carbon dioxide

    Oxides of Nitrogen

  • 2. Multiple Choice
    30 seconds
    1 pt

    For fires involving oil and petrol, which fire extinguisher will be suitable?

    Sodium Bicarbonate

    Water

    Carbon dioxide

    Carbon Monoxide

  • 3. Multiple Choice
    30 seconds
    1 pt

    An ideal fuel is:

    Cheap, readily available

    having high calorific value

    All of these

    rapidly combustible

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