How is boron extracted from borax?

Differentiate between roasting and calcination. Explain the two with the help of suitable chemical equatiosn. How is zinc extracted from its ore?

Copper is extracted from

Name any two ores of zinc. How is zinc extracted from zinc oxide?

a) what is cinnabar ? How is metal extracted from cinnabar . b ) Difference between roasting and calculation explain the two with help of suitable chemical equation .

How is lithium extracted from its ore?

What is cinnbar ? How is a metal extracted from cinnabar ? Explain briefly.

How is borax prepared from colemanite?

How is the aluminium extracted from bauxite.