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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 student was given Mg, Zn, Fe and Cu metals. He put each of them in dilute HCl contained in different test tubes. Identify which of them (a) will not displace H^ from dilute HCl. (b) will give H, with 5% . (c) will be displaced from its salt solution by all other metals.

    Answer:

                      (a) Cu metal will not displace  from dilute HCl.                                                                                   (1) (b) Cu will give  will 5%                  (1)                     (c) Cu metal will be displaced from its salt solution by all other metals.                           (1)


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