A) Gold B) Gangue C) Ore D) Steel
A) Pure iron B) Gangue C) Aluminium D) Ore
A) Malleability B) Ductility
A) Ductility B) Malleability
A) Pig iron and slag B) Iron ore, flux and carbon C) Copper anda zinc
A) True B) Sometimes 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) Less than 2% carbon. B) Carbon in a percentage between 2,1 and 6,7%
A) Copper and zinc B) Copper and tin C) Aluminium and bronze
A) Vanadium and gold B) Silver and iron C) Copper and tin |