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    Physics
    Grade-7
    Easy

    Question

    Direction : Identify the energy in each of the case.
    Petrol pump

    1. Thermal
    2. Chemical
    3. Mechanical
    4. Electrical

    Hint:

    Chemical

    The correct answer is: Chemical

      Chemical energy is energy stored in the bonds of atoms and molecules. Batteries, biomass, petroleum, natural gas and coal are examples of chemical energy. Chemical energy is converted to thermal energy when people burn wood in a fireplace or burn gasoline in a car's engine.

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