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

  • question_answer
      Write down the formulae of (a) sodium phosphate   (b) zinc oxide (c) aluminium borate      (d) barium oxide (e) calcium hydroxide

    Answer:

     (a) Sodium phosphate Formula is . (b) Zinc oxide            Formula is ZnO.                  (c) Aluminium borate Formula is  or  (d) Barium oxide          Formula is  or BaO.                (e) Calcium hydroxide Formula is Ca(OH)2.   


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