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  3. 9th Class
  4. Science
  5. Atoms and Molecules

9th Class Science Atoms and Molecules Question Bank Atoms and Molecules

  • question_answer
    Quicklime contains:

    A) Sodium and hydrogen only

    B) Calcium and oxygen

    C) Oxygen and hydrogen only

    D) Potassium and sulphur

    E) None of these

    Correct Answer: B

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