Kemija - 2022. ljeto, 7.

A. $\mathrm{A}\mathrm{l}(\mathrm{s})\backslash mathrm\{Al\}(\backslash mathrm\{s\})$

B. $\mathrm{KBr}(\mathrm{\ell })\backslash operatorname\{KBr\}(\backslash ell)$

C. $\mathrm{N}\mathrm{a}\mathrm{C}\mathrm{l}(\mathrm{s})\backslash mathrm\{NaCl\}(\backslash mathrm\{s\})$

D. ${\mathrm{H}}_2{\mathrm{S}\mathrm{O}}_4(\mathrm{a}\mathrm{q})\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{SO\}\_\{4\}(\backslash mathrm\{aq\})$