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Silver is refined by a process involving smelting in a furnace with lead oxide, fluxes, and a reducing agent to produce a purer alloy of silver and gold called dore. An oxidized lead residue melts away in the process.

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What must be mined smelted and refined before they can be processed into useful everyday materials?

Raw minerals, such as iron ore, must be mined, smelted, and refined before they can be processed into useful everyday materials like steel. This process involves extracting the mineral from the earth, heating it to a high temperature to separate impurities, and then further refining it to achieve the desired properties for specific applications.


How is gold smelted?

Gold is smelted by applying high heat to the gold ore to melt the metal and separate impurities from the pure gold. The impurities are then removed, leaving behind the pure gold. This process is typically done in a furnace or kiln.


What must be mined smelted and refined before they could be processed into useful everyday materials?

Metals such as iron, copper, and aluminum must be mined, smelted, and refined before they can be processed into useful everyday materials like steel, wires, and aluminum cans. This multi-step process involves extracting the raw metal from ores, melting it down into a purer form, and refining it to remove impurities.


How do you get diamond ore with a furnace?

You cannot obtain diamond ore with a furnace. Diamond ore can only be mined using an iron or diamond pickaxe, and then it needs to be smelted in a furnace to produce diamonds.


Which one of the following Does not contain silver 1. horn silver 2. german silver 3. ruby silver 4. lunar caustic?

Ruby silver is the option that does not contain silver. Horn silver is a silver chloride mineral, German silver is a nickel-silver alloy, and lunar caustic is a silver nitrate compound.