Copper processing - Ores, Refining, Smelting: Principal forms in which copper ores are found include native copper, porphyry copper, massive deposits, and mixed ores. Native copper is simply the metal found unadulterated in nature. Occasionally copper is still found in its native form, but more frequently it is mixed with other minerals, some ...
view more20231221 · Copper (Cu) is a ductile, malleable, reddish-brown metallic element in group 11 (old group IB) of the periodic table; it is a transition element. Copper is of great importance because of its high electrical conductivity (only silver, among pure metals, conducts electricity better at room temperature) and thermal conductivity. It was probably …
view more1 · In the first stage of the extraction process, the copper carbonate is decomposed by heating to form copper oxide, CuO, and carbon dioxide. CuCO 3 → CuO + CO 2. When 100g of copper carbonate is decomposed completely in this way, it is found that the total mass of products is 100g. Give a reason why the starting mass of copper carbonate is ...
view moreIn the extraction of copper from its Sulphide Ore when ore is subjected to roasting some of it is oxidised to Cu2O which reacts with the remaining Cu2S to give copper metal. In this process Cu2S behaves as reducing agent.2Cu2S+3O2+heat→2Cu2Os+2SO2g2Cu2O+Cu2S+heat→ 6Cus+SO2gIn …
view more3 · Revision notes on 2.7.8 Practical: Prepare Copper(II)Sulfate for the Edexcel IGCSE Chemistry syllabus, written by the Chemistry experts at Save My Exams.
view moreHow is copper extracted from its sulphide ore? Explain the various steps supported by chemical equations. Draw labelled diagram for the electrolytic refining of copper.
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