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10th Class Science Metals and Non-metals / धातु और अधातु Question Bank 10th CBSE Science Metals and Non-metals

  • question_answer
      A cleaned aluminium foil was placed in an aqueous solution of zinc sulphate. When the aluminium foil was taken out of the zinc sulphate solution after 15 minutes, its surface was found to be coated with a silvery grey deposit. From the given observation, what can be concluded?

    Answer:

                      Aluminium is more reactive than zinc.


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