The corrosion resistance of steel is greatly improved by the addition of 

In the galvanization, the steel plate is protected by a coating of 

The molten metal withdrawn from the furnace is called

Iron produced at 750°C is in the solid state, it is porous and is known as

The process in which ore is heated in the absence of air is

Bauxite is an ore of 

The metallurgy of iron involves the manufacture of 

The percentage of carbon in wrought iron is 

Haematite is an ore of iron which is chemically

The constituent metals of bronze are