2. Questions Bank
  3. 8th Class
  4. Science
  5. Coal and Petroleum

8th Class Science Coal and Petroleum Question Bank Coal and Petroleum Formative Subjective Problems

  • question_answer
    Fill in the following blanks: (i) _______was used in railway engines to produce steam to run the engine. (ii) ______ is thermal power plants to produce electricity.

    Answer:

    (i) Coal                                  (ii) Coal


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