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