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The following statements describe various properties of a Mercury cell: (A) It converts energy of combustion into electrical energy (B) It is rechargeable (C) The cell reaction involved is $Zn(Hg) + HgO(s) \rightarrow ZnO(s) + Hg(l)$ (D) It is a low current device used in hearing aids Choose the correct answer from the options given below: - FirstInTest | FirstInTest