Which is used for making cycles and automobiles?

The ore is heated in a regular supply of air in a furnace at a temperature below the melting point of the metal is called as

The method which is very useful for removing all the Oxygen and Nitrogen present in the form of impurity in certain metals like Zr and Ti is

German Silver is an alloy of

Which is used for casting stoves, railway sleepers, gutter pipes, toys etc..

Ores are usually contaminated with earthly or undesired materials known as

The diagrams help us in predicting the feasibility of thermal reduction of an ore is

The method used for refining of nickel is known as

Which is extracted by hydro metallurgy from low grade ores?