Question | Answer |
A measure of the ease with which metal atoms release their valence electrons when they react | activity |
the alloying of a low-carbon steel with carbon underhigh pressure and temperature resulting in a hard surface with a tough interior. | case hardening |
the impure iron that is the product of a blast furnace; also called pig iron | cast iron |
the mixture of amterials put into a blast furnace | charge |
the combination of materials with oxygen; the process of burning | combustion |
the slow eating away of iron or steel structures due to spontaneius combination with oxygen; the process of rusting | corrosion |
a method by which the minerl is separated from the gangue in order to concentrate the mineral | flotation |
the material added to the charge to eliminate the gangue as slag | flux |
thae waste or nonmineral part of the ore | gangue |
a mineral-bearing rock from which metal is extracted | ore |
another name for cast iron | pig iron |
rapid cooling after heating | quenching |
the removal of oxygen from a metallic oxide | reduction |
the reddish-brown coating of iron oxide formed when iron or steel combines with oxygen. | rust |
calcium silicate, formed by the reaction of the gangue and the flux | slag |
an alloy of iron and carbon; other materials may be added to produce special properties | steel |
heatinging and then quenching of high carbon steel to obtain special properties | tempering |
aluminum oxide Al2O3 | alumina |
the copper that results from the futher reduction of copper matte; 98% pure Cu | blister copper |
An alloy of copper and tin | bronze |
the heating of carbonate to produce an oxide | calcine |
an impure copper that is the product of the reduction of copper oxide | copper matte |
the mineral that is melted and used as the solvent for alumina in the Hall process | cryolite |
a furnace that reflects the hot flames and gases from the furnace roof to the charge | reverberatory furnace |
the burning off of a sulfide ore to produce a metallic oxide | roasting |