metals and their use
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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| how is iron extracted | reduction
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| what is reduction | heating metal with carbon to remove oxygen
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| what is an alloy | 2 or more metallic elements
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| name 3 alloys | brass, steel and bronze
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| what makes up brass | zinc and cooper
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| what makes up steel | iron and carbon
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| what makes up bronze | copper and tin
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| 5 transition metals | zinc,, chromium, iron, gold,silver
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| properties of transition metals | good conductors, stong and malleable
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| malleable meaning | can be shaped.
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| properties of aluminium and its uses | low density, good conductor of electricity, overhead cables and aircrafts
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| properties and uses of titanium | low density, resists corrosion, pans and vechiles
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| aluminum extractions | electrolysis
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| titanuim extraction | heated with chlorine, then purifies then displaced by magnesium
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| smelting | copper ore is heated in a blast furnace
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| displacement | more reactive metal 'pushes out' a less reactive metal
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| bioleaching | extraction of metals from their ores through the use of living organisms
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| phytomining | extraction of copper using plant
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| properties of steel | doesn't go rusty
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| properties of high steel | hard and strong
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| properties of low steel | malleable
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| uses of stainless steel | cutlery and surgical instruments
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| uses of low steel | car body panels and food cans
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| why doesn't steel rust | chromiums
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| steel is an alloy of | iron and carbon
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Created by:
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