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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
                    Which one of the following metals does not react with oxygen even at high temperatures? (a) Calcium          (b) Gold               (c) Sodium

    Answer:

                      Iron is the metal which do not reacts with cold and hot water but reacts with steam to produce hydrogen gas.


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