The percentage composition of copper and tin in speculum metal is _________
(a) 33% and 67%
(b) 67% and 33%
(c) 26% and 74%
(d) 74% and 26%
The question was asked by my school teacher while I was bunking the class.
This is a very interesting question from Non-Ferrous Metals and Alloys topic in portion Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials