A) Gangue B) Steel C) Ore D) Gold
A) Pure iron B) Ore C) Gangue D) Aluminium
A) Ductility B) Malleability
A) Ductility B) Malleability
A) Iron ore, flux and carbon B) Copper anda zinc C) Pig iron and slag
A) Sometimes B) True C) False
A) Iron and carbon between 2,1% and 6,7% B) Iron and les that 2% Carbon C) Steel is not an alloy.
A) Carbon in a percentage between 2,1 and 6,7% B) Less than 2% carbon.
A) Copper and tin B) Aluminium and bronze C) Copper and zinc
A) Vanadium and gold B) Copper and tin C) Silver and iron |