2. Questions Bank
  3. 8th Class
  4. Science
  5. Materials : Metals and Non-metals

8th Class Science Materials : Metals and Non-metals Question Bank Metals and Non Metals Summative Subjective Problems

  • question_answer
    Which of the following is allotropic forms of phosphorus (a) Red phosphorus (b) White phosphorus (c) a - black phosphorus (d) b - black Phosphorus

    Answer:

    (a), (b), (c), (d)


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