C2c 0.0 / 5 ? ChemistryRocks, ores, metals and alloysGCSEOCR Created by: alexCreated on: 09-11-13 12:56 what is amagam? mercuaray 1 of 11 brass? copper and zinc 2 of 11 solder? iron 3 of 11 why are alloys better? because they have special propertys 4 of 11 how can copper be extracted? by heating (electrolysis) 5 of 11 what do you need for electrolysis? power pack, wires, glass beaker, copper, copper sulphate 6 of 11 explain what electrolysis is it is where you puriffycopper by using an electric current 7 of 11 smart alloys are? are ones like nithinol whic bend to their original shape when heated 8 of 11 name the ores bauxite- aluminium , galena - lead ,haemalite - iron, malachite- copper, lime stone- calcium 9 of 11 what are cathodes and anodes? cathodeis pure copper anode is impure 10 of 11 what does the cathode do? it gains mass 11 of 11
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