Chmeistry- extracting metals 3.0 / 5 based on 1 rating ? ChemistryRocks, ores, metals and alloysGCSEAQA Created by: Gaby HerdmanCreated on: 21-01-13 09:33 an unreactive metal, found in the earth gold 1 of 18 most metals are found as compounds 2 of 18 Metals that are less reactive than carbon can by extracted by reduction 3 of 18 Iron oxide is reduced in a blastfurnace 4 of 18 copper can be purified by electrolysis 5 of 18 phytomining uses plants 6 of 18 The plants are then burnedt o produce ash that contains metalcompounds 7 of 18 Bioleaching uses bacteria 8 of 18 Copper can by extracted by phytomining 9 of 18 Copper can also be extracted by bioleaching 10 of 18 During electrolysis positive ions move towards the negative electrode 11 of 18 iron is more reactive than copper 12 of 18 Recycling metals is better for the environment 13 of 18 The elements in the central block of the periodic table are known as transitionmetals 14 of 18 copper is used for wiring 15 of 18 copper is a good conductor 16 of 18 copper doesnt react with water 17 of 18 Copper has a low density 18 of 18
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