Botswana GCSE (Form 4 and 5) students can use this tutorial to supplement and/or prepare for class, tests and exams from your respective schools.
|Four metals you need to know||00:03:00|
|Extraction of iron||00:04:00|
|Alloys of iron||00:04:00|
|Extraction of copper||00:03:00|
|Purification of copper||00:03:00|
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