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A metal that exists as 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.

 
Metals and Non-metals
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05/11/2020 6:39 pm
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A metal that exists as 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.

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class 10 cbse ncert exemplar metals non metals
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05/11/2020 6:41 pm
Anonymous 
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The metal is mercury.

2HgS(s) + 3O2(g) → 2HgO(s) + 2SO2(g)

HgS(s) + 2HgO(s) → 3Hg(l) + SO2(g)

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Topic Tags:  class 10 (8819) , cbse (15084) , ncert exemplar (1417) , metals (441) , non metals (539) ,
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