Extraction of
Metals Alloys
Search
Questions 
Alloys - containing Copper.
Copper
alloys include
brass, bronze, cupro-nickel and duralumin.
Brass
is an alloy of copper (70%) and
zinc (30%).
Brass is harder and cheaper
than copper.
It is
corrosion
resistant and is used for musical
instruments,
water taps, fixtures and ornamental
objects.
Bronze is an alloy of
copper (90%) and tin
(10%).
Bronze is hard, strong and
corrosion resistant.
Bronze is used for castings
(statues) and bearings.
Cupro-nickel is an alloy of copper
(70 to 80%) and nickel
(20 to 30%).
Cupro-nickel is easily shaped, resistant to corrosion
and is used to make "silver" coins such as
the 5, 10, 20 and
50p piece.
"Silver" coins have not
contained real silver since 1947.
Copper
can also be used to make gold
alloys and smart alloys.
For duralumin see aluminium alloys.
Extraction of
Metals Alloys
Search
Questions
gcsescience.com Contents The Periodic Table Index Quizzes gcsescience.com
Copyright © 201