Define the term 'metallurgy', and fill appropriate terms in the blanks :
The four major steps involved in metallurgy are:
(i)……… of ore.
(ii) Conversation of ore into its ………… .
(iii) Reduction of oxides of ores into …….. .
(iv) .......... of metal.

Explanation

The various processes involved in the extraction of metals from their ores and their refining are known as metallurgy.
The four major steps involved in metallurgy are:
(i) Concentration of ore.
(ii) Conversation of ore into its metal oxide.
(iii) Reduction of oxides of ore into metal.
(iv) Refining of impure metal.