MetallurgyEasy
Question
Which of the following ore is calcinated during extraction :-
(a) Argentite (b) Calamine (c) Azurite (d) Magnesite
(a) Argentite (b) Calamine (c) Azurite (d) Magnesite
Options
A.a & d
B.b & c
C.b, c & d
D.a, c & d
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