Aluminum is a metal that is
abundant and has many uses. It comes from bauxite which is an ore and contain
aluminum. Bauxite contains several other substances which workman extract.
What they do to bauxite is they grind the bauxite and put it into tanks
which have pressure. The others substances which are in bauxite are removed.
To do this they use filters. therefore a liquid remains. After they put
it through several other processes, it finally yeilds a chemical which
is powdery and white. This chemical is alumina which is a mixture that
contains aluminum that contains oxygen. |