C-09-Q055mediumsingle_mcqH2SO4+CuO→?+H2O\mathrm{H_2SO_4 + CuO \rightarrow ? + H_2O}H2SO4+CuO→?+H2O. The salt produced is—aCuCl2\mathrm{CuCl_2}CuCl2bCu(NO3)2\mathrm{Cu(NO_3)_2}Cu(NO