Kemija - 2009./10. jesen - 9.

A. ${\mathrm{I}}_2,\mathrm{K}\mathrm{I},{\mathrm{N}\mathrm{a}}_3{\mathrm{P}\mathrm{O}}_4\backslash mathrm\{I\}\_\{2\},\; \backslash mathrm\{KI\},\; \backslash mathrm\{Na\}\_\{3\}\; \backslash mathrm\{PO\}\_\{4\}$

B. ${\mathrm{K}\mathrm{N}\mathrm{O}}_3,{\mathrm{K}}_2{\mathrm{S}\mathrm{O}}_4,{\mathrm{K}}_3{\mathrm{P}\mathrm{O}}_4\backslash mathrm\{KNO\}\_\{3\},\; \backslash mathrm\{~K\}\_\{2\}\; \backslash mathrm\{SO\}\_\{4\},\; \backslash mathrm\{~K\}\_\{3\}\; \backslash mathrm\{PO\}\_\{4\}$

C. ${\mathrm{C}\mathrm{O}}_2,{\mathrm{H}}_2{\mathrm{C}\mathrm{O}}_3,{\mathrm{N}\mathrm{a}}_2{\mathrm{C}\mathrm{O}}_3\backslash mathrm\{CO\}\_\{2\},\; \backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{CO\}\_\{3\},\; \backslash mathrm\{Na\}\_\{2\}\; \backslash mathrm\{CO\}\_\{3\}$

D. ${\mathrm{N}\mathrm{H}}_3,{\mathrm{N}\mathrm{H}}_4\mathrm{C}\mathrm{l},{\mathrm{N}\mathrm{H}}_4\mathrm{O}\mathrm{H}\backslash mathrm\{NH\}\_\{3\},\; \backslash mathrm\{NH\}\_\{4\}\; \backslash mathrm\{Cl\},\; \backslash mathrm\{NH\}\_\{4\}\; \backslash mathrm\{OH\}$