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

  • question_answer
      Write  the  chemical  formulae,  using criss-cross method. (a) Magnesium bicarbonate (b) Barium nitrate            (c) Potassium nitrate  

    Answer:

       (a) Charges Formula is (b) Charges Formula is (c) Charges   Formula is.


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