Class 8 Science: Coal and Petroleum Quiz
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Questions and Answers

What is the primary method used to separate different components of crude oil?

  • Evaporation
  • Sedimentation
  • Fractional distillation (correct)
  • Filtration
  • Which of the following is a product of petroleum refining?

  • Methane
  • Coal
  • Iron
  • Kerosene (correct)
  • During the fractional distillation of petroleum, which component has the highest boiling point?

  • Bitumen (correct)
  • Gasoline
  • Diesel
  • Liquefied Petroleum Gas (LPG)
  • What is the main use of LPG (Liquefied Petroleum Gas)?

    <p>Heating and cooking</p> Signup and view all the answers

    Which fraction obtained from petroleum refining is used in making synthetic fibers?

    <p>Naphtha</p> Signup and view all the answers

    Which of the following components of crude oil is primarily used as a fuel for vehicles?

    <p>Gasoline</p> Signup and view all the answers

    What is a common use for the product bitumen obtained from petroleum refining?

    <p>Road construction</p> Signup and view all the answers

    Which of the following statements regarding fractional distillation is incorrect?

    <p>It can be used to refine coal.</p> Signup and view all the answers

    What product of petroleum refining is primarily used as a lubricant in machinery?

    <p>Lubricating oil</p> Signup and view all the answers

    Study Notes

    Refining of Petroleum

    • Separation Method: Fractional distillation is the primary method employed to separate components of crude oil based on varying boiling points.
    • Key Product: Kerosene is a significant product that results from petroleum refining, widely used in aviation and household fueling.
    • Boiling Point Hierarchy: In fractional distillation, bitumen is the component with the highest boiling point, residing at the bottom of the distillation column.
    • LPG Usage: Liquefied Petroleum Gas (LPG) is mainly utilized for heating and cooking purposes in domestic settings.
    • Synthetic Fibers: Naphtha, a fraction obtained during refining, serves as a crucial raw material for the production of synthetic fibers and various chemicals.

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    Description

    Test your knowledge on the refining of petroleum with this quiz based on Chapter 3 of the NCERT Science textbook for Class 8. Learn about key processes such as fractional distillation and how they relate to crude oil. Prepare yourself for a deeper understanding of petroleum's role in our world.

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