Class 12 Chemistry Metallurgy General Principles and Processes of Isolation of Elements
Metals which can be extracted by smelting process is/are:
(a)
(b)
(c)
(d)
Correct answer: (b)  (c)  (d) 
Solution: The process of extracting a metal from its oxide is known as 'smelting'. Most smelting processes involve direct reduction of the ore by carbon to metal and carbon dioxide. The production of primary aluminium is a good example of such a process.
Metals include copper, nickel, lead, zinc, silver, cobalt, gold, cadmium, etc.
Hence options A,B,C & D are correct.


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general principles and processes of isolation of elements
metallurgical operations
metallurg
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general principles and processes of isolation of elements
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