C1 - Mixed questions on metals 0.0 / 5 ? ChemistryMetals, metal ores and alloysGCSEEdexcel Created by: kat-yCreated on: 03-05-16 20:45 Aluminium does not rust because... its surface is protected by a natural layer of aluminium oxide which prevents the metal below from coming into contact with air and water 1 of 8 The most reactive metals are least resistant to corrosion. True or false? True 2 of 8 Silver, gold and platinum do not corrode at all. True or false? True 3 of 8 Define 'ores' Ores are naturally occuring rocks that contain metal or metal compounds sufficient enough to make it worthwhile extracting them 4 of 8 How are alloys made? By mixing a metal with another metal/material in order to improve the properties. 5 of 8 How is iron extracted? By heating it with carbon 6 of 8 What happens to the ores of reactive metals before it is extracted by electrolysis? It is melted. 7 of 8 Rusting is a form of... Corrosion 8 of 8
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