10th Class Science Sample Paper Sample Paper - 4 Term - 1

  • question_answer
      Write chemical formula for calcium oxychloride. How is it prepared? What is its common name? What is its use?

    Answer:

      Chemical formula for Calcium oxychloride is Its common name is bleaching powder.     It is prepared by the action of chlorine on dry slaked lime.                                                                                                                                            (1) It is used in paper industry to bleach wood pulp.                                                                                                               (1)


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