character: Copper
topic: Metallurgical Processes
grade: 9
subject: Chemistry
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character: Electrolytic Refining
topic: Copper Purification Techniques
grade: 9
subject: Chemistry
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character: Smelting
topic: Extraction of Copper from Ores
grade: 9
subject: Chemistry
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character: Alloys
topic: Copper Alloys Properties and Uses
grade: 9
subject: Chemistry
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