Kemija - 2009./10. ljeto - 1.

A. $\mathrm{H}_{2} \mathrm{CO}_{3}$

B. $\mathrm{HNO}_{3}$

C. ${\mathrm{H}}_2\mathrm{S}\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{S\}$

D. ${\mathrm{N}\mathrm{H}}_3\backslash mathrm\{NH\}\_\{3\}$