Kemija - 2022./23. probna - 20.

A. $\mathrm{NaOH}  \mathrm{i}  \mathrm{O}_2$

B. $\mathrm{N}\mathrm{a}\mathrm{O}\mathrm{H}\mathrm{i}{\mathrm{H}}_2\backslash mathrm\{NaOH\}\backslash mathrm\{~i\}~\backslash mathrm\{H\; \}\_\{2\}$

C. ${\mathrm{N}\mathrm{a}}_2\mathrm{O}\mathrm{i}{\mathrm{O}}_2\backslash mathrm\{Na\}\_\{2\}\backslash mathrm\{O\}\; \backslash mathrm\{~i\}~\; \backslash mathrm\{O\}\_\{2\}$

D. ${\mathrm{N}\mathrm{a}}_2\mathrm{O}\mathrm{i}{\mathrm{H}}_2\backslash mathrm\{Na\}\_\{2\}\; \backslash mathrm\{O\}\; \backslash mathrm\{~i\}~\; \backslash mathrm\{H\}\_\{2\}$