" Calamine is an ore of "

Name the metal of which calamine is an ore. Write down the forumula of calamine.

Concentrated ore, calamine is heated to get metal oxide and the volatile impurities escapes away. This process is called

Concentrated ore, calamine is heated to get metal oxide and the volatile impurities escapes away. This process is called

Consider the following statements : S_(1) : In extration of iron from haematite ore, the reduction reactions take place only in the lower temperature range in the blast furnace. S_(2) : Calamine in an carbonate ore of zince. S_(3) : The principle ore of aluminium , bauxite , usually contains silica, iron oxides and titanium oxide as impurities. S_(4) : Solidified copper obtained from silica lined conventor ( Bessemer converter ) has blistered appearance due to the evolution of SO_(2) . Which are correct statements?

Consider the following statements : S_(1) : In extration of iron from haematite ore, the reduction reactions take place only in the lower temperature range in the blast furnace. S_(2) : Calamine in an carbonate ore of zince. S_(3) : The principle ore of aluminium , bauxite , usually contains silica, iron oxides and titanium oxide as impurities. S_(4) : Solidified copper obtained from silica lined conventor ( Bessemer converter ) has blistered appearance due to the evolution of SO_(2) . and arrange in the order of true // false.

Calamine is not directly reduced with carbon ? It is calcined first and the reduced. Why ?