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10th Class Science Chemical Reactions and Equations Question Bank 10th CBSE Science Chemical Reactions and Equations

  • question_answer
                                      A substance X, which is an oxide of a group 2 element is used intensively in the cement industry. This element is present in bones also. On treatment with water, it forms a solution which turns red litmus blue.   Identify X and also write the chemical reactions involved.     

    Answer:

                                    (2)                 X is calcium oxide (CaO), also called quick lime.                                                                   (1)


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