Pages in this set

Page 1

Preview of page 1
Metals and alloys

Metals have many uses, but first, they must be extracted
(taken out) of their ores
An ore is a rock containing enough of a metal or metal
compound to make it economically worth extracting

Page 2

Preview of page 2
Aluminium

Aluminium is a reactive metal and requires a lot of energy
to extract it from its ore bauxite
This is done by electrolysis

Iron

Iron requires less energy and is extracted from its ore
using a blast furnace (heated with carbon to a very high
temperature)

Copper

Copper is…

Page 3

Preview of page 3
lump of impure copper. Copper
atoms supply electrons
to this electrode and
become copper ions
which enter the
solution. The lump of impure
copper becomes smaller.
Cu(s) Cu + (aq) + 2e
4. Anode sludge this is the
undissolved remains of the lump
of impure copper.

Recycling

Recycling copper uses…

Page 4

Preview of page 4
e.g. Nitinol (nickel and titanium) is used in
unbreakable spectacle frames and infant heart
surgery (here a long thin nitonal wire is passed into a
baby's heart; it remembers it's shape and forms two
spirals at 37 C plugging the hole in the heart)

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all resources »