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