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

  • question_answer   A metal that exists as a liquid at room temperature is obtained by heating its sulphide in the presence of air. Identify the metal and its ore and give the reaction involved.           

    Answer:

                      Mercury is the only metal that exists as a liquid at room temperature.                       (1/2) Its ore is cinnabar (HgS). Reactions involved are                                                                    (1/2)               (1/2)                                (1/2)


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