10th Class Science Metals and Non-metals Question Bank 10th CBSE Science Metals and Non-metals

  • question_answer   A metal M does not liberate hydrogen from acids but reacts with oxygen to give a black coloured product. Identify M and black coloured product and also explain the reaction of remove overlap.


                      M is copper. Copper does not react with acids but reacts with oxygen to form copper oxide.               (1)                         (2)

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