Chemistry: Metals and their uses. 0.0 / 5 ? FunFunFunNone Created by: stylishbabeCreated on: 08-06-14 12:02 How are Ores extracted from the ground? By mining/ Quarries 1 of 11 If the metal is a compound, how do we extract the metal? Through chemical reactions 2 of 11 Metals that are less reactive than carbon are extracted from their oxides how? Through reduction of carbon 3 of 11 Where does the extraction from carbon take place? In a Blast Furnace 4 of 11 If the metal is more reactive than carbon how is it extracted from it's oxide? Through electrolysis 5 of 11 How is copper extracted from it's ore? Through chemical process that involve heat or electricity 6 of 11 What is phytomining? It is when you use plants to absorb metal compounds and the plants are burned to ash that contains the metal compound. 7 of 11 What is bioleaching? It is when you use bacteria to produce leachate solutions that contain the metal compound 8 of 11 During electrolysis positive ions go towards what charged electrode? Negative 9 of 11 Aluminium and titanium cannot be extracted from their ores by reduction with carbon, the current methods have a lot of disadvantages, name 2. There are many processes and large amounts amount of energy needed 10 of 11 What plants are used in phytomining? Brassicas such as Broccoli and cauliflower. 11 of 11
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