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Lesson Sequence

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C1 part 1 C1 Lesson 15 Reduction of Metal ores C1 Lesson 18 Phytomining and Bioleaching
Year 9

Learning outcomes and Specification referenceEdit

C1.3.1 Extracting metals C1 Lesson 16&17 Extraction of Copper, Aluminium and Titanium
f Copper can be extracted from copper-rich ores by heating the ores in a furnace (smelting). The copper can be purified by electrolysis. The supply of copper rich ores is limited. Know that:
Copper is initially reduced in a furnace with carbon
it is purified by electrolysis
copper ores are finite.
e Metals that are more reactive than carbon, such as aluminium, are extracted by electrolysis of molten compounds. The use of large amounts of energy in the extraction of these metals makes them expensive. Know that: Metals can be obtained from solutions by displacement reactions with a more reactive metal electrolysis requires vast amounts of electrical energy and therefore is expensive. the more stages in a process the more expensive it becomes.
h Copper can be obtained from solutions of copper salts by electrolysis or by displacement using scrap iron.
I Aluminium and titanium cannot be extracted from their oxides by reduction with carbon. Current methods of extraction are expensive because there are many stages in the processes and large amounts of energy are needed.

Full Specification TextEdit

e) Metals that are more reactive than carbon, such as aluminium, are extracted by electrolysis of molten compounds. The use of large amounts of energy in the extraction of these metals makes them expensive.
f) Copper can be extracted from copper-rich ores by heating the ores in a furnace (smelting). The copper
can be purified by electrolysis. The supply of copper-rich ores is limited.

h) Copper can be obtained from solutions of copper salts by electrolysis or by displacement using
scrap iron.
i) Aluminium and titanium cannot be extracted from their oxides by reduction with carbon. Current
methods of extraction are expensive because:
■ there are many stages in the processes
■ large amounts of energy are needed.

Starter ActivitiesEdit

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Practical activitiesEdit

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References to lessons and resources in commercial schemesEdit

Nelson ThornesEdit

OUPEdit

Harper CollinsEdit

Longman/PearsonEdit

HodderEdit

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