why is gold and silver not absorbed into cupel
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Native gold and silver are very rare – they are usually found blended into lead ores. ... The cupel must be made of porous, calcified material so it can absorb lead without causing a reaction. The alloy is placed in the cupel and heated. Lead's melting point is much lower than that of precious metals.
Answered by
2
Answer:
Native gold and silver are very rare – they are usually found blended into lead ores. ... The cupel must be made of porous, calcified material so it can absorb lead without causing a reaction. The alloy is placed in the cupel and heated. Lead's melting point is much lower than that of precious metals
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