Metals And Materials Flashcards
Define the word ‘malleable’
Metals can be hammered into sheets.
Define the word ‘ductile’
Metals can be stretched into wires.
Define the word ‘lustrous’
Can appear Shiny when polished/freshly cut.
Define the word ‘sonorous’
If metals are struck they ring like a bell.
Define the word ‘electrical conductor’
Conducts electricity.
Define the word ‘thermal conductor’
Allows energy to flow through them, thus creating heat.
Define the word ‘thermal conductor’
Allows energy to flow through them, thus creating heat.
What are the three materials added to the blast furnace when making iron?
Carbon rich ‘coke’, raw iron and limestone.
What is the temperature of the blast furnace when smelting raw iron?
Around 1200-1300 degrees
Hot air allows ………. + …….. to form … which reacts to make ……… …………..
Carbon + coke, CO2, carbon monoxide.
When coke is burnt it reacts with …….
And forms …….. ………. , …….. ………… reacts with …. Ore and reduces oxygen.
Oxygen, carbon dioxide. Carbon monoxide, iron.
………. Reacts with impurities to form ‘….’ This floats on top of …. And is drained out to build roads.
Limestone, slag, iron.
Reactions in the furnace produce … and ……..
Hot waste gases rise up the furnace and are …….
CO2, Nitrogen, removed.
