Compounds OF Calcium|| Quick Lime CuO|| Slaked Lime Ca(OH)2||Gypsum CaSO4.2H2O||Plaster OF Paris CaSO4.½H2O|| Anomalous Behaviour OF Li and Be

The name of CaSO_4.1/2H_2O is

Formula of gypsum is CaSO_(4).xH_(2) and of plaster of parts is (2CaSO_(4)).yH_(2)O , then (x- y) is equal to

Gypsum (CaSO_4. 2H_2O) is added to clinker during cement manufacturing to

Calcium is a member of alkaline earth family (group 2 elements). Earths crust contains about 3.4 percent calcium. The main ores of calcium are lime stone, calcite or chalk (CaCO_(3)) , gypsum (CaSO_(4).2H_(2)O) and fluroite (CaF_(2)) . Metallic calcium is obtained by the electrolysis of molten calcium chloride. (i) What is slaked lime ? (ii) What happens when slaked is heated? (iii) What is the value associated with quick lime ?

The chemical formula of plaster of paris is CaSO_(4).2H_(2)O