Kemija - 2010./11. ljeto - 34.

A. $\mathrm{CaSO}_{4}$

B. $\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$

C. ${\mathrm{C}\mathrm{a}\mathrm{C}\mathrm{l}}_2\backslash mathrm\{CaCl\}\_\{2\}$

D. $\mathrm{C}\mathrm{a}\mathrm{O}\backslash mathrm\{CaO\}$