Kemija - 2015./16. jesen - 42.

A. $\mathrm{Al}_{2} \mathrm{O}_{3}$

B. $\mathrm{CaO}$

C. $\mathrm{CO}_{2}$

D. ${\mathrm{N}}_2\mathrm{O}\backslash mathrm\{N\}\_\{2\}\; \backslash mathrm\{O\}$