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

  • question_answer
      A magnesium ribbon is burnt in oxygen to give a white compound X accompanied by emission of light. If the burning ribbon is now placed in an atmosphere of nitrogen, it continues to bum and forms a compound Y. Write the chemical formulae of X and Y. (ii) Write the balanced chemical equation when X is dissolved in water.

    Answer:

                                                      (i) X is MgO; Y is Mg3N2 (ii) MgO + H2O ® Mg(OH)2


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