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

  • question_answer
      A student took few crystals of sugar in a dry test tube and heated the test tube over flame. The colour of the solution turned black, why?

    Answer:

                      Sugar is a complex compound which on heating undergoes decomposition and water gets evaporated thereby leaving behind black carbon in the test tube.


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