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3. METALURGI PROSES

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  Occurrence and Distribution of Metals Minerals Ore: deposit that contains enough metal that we can extract economically.Most metals are found in minerals.Most important ores are oxide, sulfide and carbonates.  Occurrence and Distribution of Metals Metallurgy Metallurgy is the science and technology of extracting metals from minerals.There are five important steps:1.Mining (getting the ore out of the ground);2.Concentrating (preparing it for further treatment);  Occurrence and Distribution of Metals Metallurgy 3.Reduction (to obtain the free metal in the zero oxidation state);4.Refining (to obtain the pure metal); and5.Mixing with other metals (to form an alloy).

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Sep 22, 2019

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Sep 22, 2019
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