Interpretation:
The extraction of aluminium ore and its recycling have to discussed based on comparison and contrast of the associated, costs and energy used. The practise discussed have to be rated for efficiency and sustainability.
Concept Introduction:
Occurrence of Metals:
Metals do not occur in their pure form naturally. Metals can only occur in the form of minerals. Ore is extracted from mineral and it is subjected to metallurgy in order to separate the desired metal from the ore and the separated metals are purified using various techniques. By this process, metals are obtained in their purest form.
Ore: An ore is substance in which the mineral deposit is enough concentrated in order to economically recover the desired metal from it.
So, all minerals can be ores and no ores can be minerals.
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Chemistry In Context
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