Minerals: Minerals are those naturally occurring substances earthen which containmetals in any amount.
Ores: Ores are those naturally occurring substances or minerals from which metals can be conveniently and economically extracted.
Metallurgy: Metallurgy is the complex and sequential process of extracting metals from their respective ores.
In this process, we have to cross following steps:
The object which gives sharp sound but doesn't break down into pieces when hammered is a metal. The two examples of metal are Iron and Aluminum.
The two main properties of metal are:
The two properties of metal by virtue by which, wire is made from it are: a. Metals are ductile and malleable. b. Metals are not broken when hammered.
The given metals are arranged in order of increasing melting point as follows: Silver < Gold < Copper < Iron.
Ores are defined as those naturally occurring substances or minerals from which metals can be conveniently and economically extracted.
The complex and sequential process of extracting metals from their respective ores is ______.
none of above
Refining of impure metal
Which is the most reactive metal?
Which one of the folowing is least reactive?