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