Gcse Chemistry Alloys Of Copper Brass Bronze
Extraction of Metals. 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 water taps, musical instruments, electrical connections, ornamental objects, screws and fixtures.. Bronze is an alloy of copper 90 and tin 10.