What is the use of "type metal" alloy and its composition?
Type metal alloy consists of Lead: 75 – 95%, Antimony: 2 –18% and traces of tin.It is used make type characters for printing.
(i) What is an alloy? (ii) What is the special property of duralumin and type metal?
(a) Name an alloy of copper. State its chemical composition and anyone use. (b) Name five methods of preventing rusting of iron. (c) What are the constituents of stainless steel? What are the special properties of stainless steel?