Ores of calcium are

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 ?

Give important ores of calcium and magnesium.

Give the names of carbonate ores of calcium and magnesium .

A mixture of calcium acetate and calcium formate on heating gives

A mixture of calcium acetate and calcium formate on heating gives

Renal stones are formed of calcium carbonates/calcium oxalates.

Give two ores of calcium.