A) Ore B) Gold C) Gangue D) Steel
A) Gangue B) Pure iron C) Ore D) Aluminium
A) Malleability B) Ductility
A) Ductility B) Malleability
A) Iron ore, flux and carbon B) Copper anda zinc C) Pig iron and slag
A) False B) True C) Sometimes
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 tin C) Copper and zinc
A) Silver and iron B) Vanadium and gold C) Copper and tin |