2. Sample Papers
  3. 9th Class
  4. Science

9th Class Science Sample Paper Sample Paper - 5 Term - 1

  • question_answer
      When you heat a magnesium ribbon ona burner, it burns with a blinding white light and some residue is left after burning. What is this residue?

    Answer:

      Magnesium oxide.                                                                                                                                                                          (1)


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