During industrial extraction of lead metal from its main ore galena, we are also able to recover as by-products, important quantities of:
A
chromium
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B
silver
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C
gold
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D
diamonds
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Solution
The correct option is B silver Lead is extracted mostly from ores galena (PbS), cerussite (PbCO3). Usually, lead is found in conjuction with other metals such as silver and zinc.