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Question

Write a chemical equation when (ii) Cinnabar is heated in the presence of air


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Solution

Chemical reactions:

  • The process of two or more molecules interacting to create a new product is known as a chemical reaction.
  • Reactants are substances that interact to make new substances, whereas products are those substances that result from the interaction.

In the presence of air, cinnabar gets heated.

  • Cinnabar is the popular term for mercurous sulphate, and its molecular formula is HgS, as we all know.
  • For the above chemical process, the balanced chemical equation is:
  • 2HgS(s)+3O2(g)2HgO(s)+2SO2(g)MercuricOxygenMercuricSulfurdioxideSulphideOxide.

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