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