The composition of phosphor bronze is _________
(a) 1% phosphorus, 10% tin and 89% copper
(b) 89% phosphorus, 10% tin and 1% copper
(c) 1% phosphorus, 89% tin and 10% copper
(d) 10% phosphorus, 1% tin and 89% copper
This question was addressed to me by my school teacher while I was bunking the class.
My query is from Non-Ferrous Metals and Alloys topic in chapter Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials