This question is about copper and alloys of copper. Solders are alloys used to join metals together. Some solders contain copper. Copper is extracted from low-grade ores by phyto mining. Describe how copper is extracted from low-grade ores by Phyto mining. – 6185

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1. plants are grown on land that contains copper ores. These plants take in copper from the soil.
   the plants are burned, and this produces ash.
   The ash is then dissolved in acid to make a solution containing a copper compound.
   Finally, copper is extracted from the solution either by electrolysis or by adding scrap iron to displace the copper.

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