Cpper matte is incharged Into a silica lined converter in extraction of copper. What is the role of silicon lining here?

Why copper matte is put in silica lined converter?

How copper matte is converted Into copper?

State the role of silica in the metallugy of copper.

Names of some minerals are given below. .i) Haematite ii) bauxite iii) Dolomite a. Identify the mineral of Iron (Fe) b. Name the reducing agent mainly used in the extraction of iron from its ore. c. What is the role of powdered lime stone in the extraction process of iron?

Magnetic lines of force never Intersect each other. What Is the reason ?

What is the shape of the magnetic line of force?

What is the role of limestone (CaCo_3) in the extraction of iron?

Copper is a useful metal and is generally extracted from copper pyrites. What is copper pyrites?