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Coal and Petrol...

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  • Question 1
    1 / -0

    By which of the given processes is coal formed?

  • Question 2
    1 / -0

    Which of the following has the lowest percentage of carbon?

  • Question 3
    1 / -0

    Which of the forms of coal has the highest percentage of carbon?

  • Question 4
    1 / -0

    What do fuels combine with to produce heat and light?

  • Question 5
    1 / -0

    What does natural gas mainly consist of?

  • Question 6
    1 / -0

    What does gobar gas produced from animal and plant waste contain?

  • Question 7
    1 / -0

    In LPG cylinder, how is the gas liquified?

  • Question 8
    1 / -0

    In fractional distillation of petroleum, where do the vapours with highest boiling point condense?

  • Question 9
    1 / -0

    Why is kerosene oil regarded more suitable than petrol in oil lamps?

  • Question 10
    1 / -0

    Where is kerosene mainly used?

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