How does magnesium occur in nature? How is the metal extracted from its Ore?

How is lithium extracted from its ore?

How is the aluminium extracted from bauxite.

A metal is found in liquid state. It is widely used in instrument for measuring blood pressure. In what form does it occur in nature ? How can we extract this metal from its ore ?

How does calcium carbonate occurs in nature?

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

How does phototropism occur in plants ?

How is boron extracted from borax?

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 .