`Ca(OH)_(2)` is called slaked lime `Mg^(2+)` and `Ca^(2+)` IONS are responsible for the TRANSMISSION of electrical impulses along the NERVEFIBRE `Ca^(2+)` ion is present in chlorophyll pigment The enamel on teeth is a double SALT of Mg
Solution :`Mg^(2+)` ion is present in chlorophyll pigment. The enamel on teeth is a double salt of calcium