C-06-Q123mediumsingle_mcqBalanced equation of Mg+HCl→MgCl2+H2\mathrm{Mg + HCl \to MgCl_2 + H_2}Mg+HCl→MgCl2+H2 is—aMg+HCl→MgCl2+H2\mathrm{Mg + HCl \to MgCl_2 + H_2}Mg+HCl→MgCl2+H2