6- Sources And Uses Of Metals Flashcards
what did people discover they could do to find more metals in nature?
they could extract moderately reactive metals from their ores using carbon (or electrolysis)
how can the metals below carbon be extracted?
by heating charcoal (a source of carbon) with the oxide
nowadays, where is iron extracted?
in a blast furnace
how are metals above carbon in the reactivity series be extracted?
metals above carbon in the reactivity series are extracted from their ores using electricity, in a process called electrolysis!
why doesn’t copper react with acids?
copper doesn’t react with acids because it is below hydrogen in the reactivity series
what are native metals?
native metals are metals such as gold, silver and copper which can be found in a natural, uncombined, pure state, as they are at the bottom of the reactivity series
what affects a reaction?
- temperature
- surface area
- concentration
what is bauxite?
an ore of which we get aluminium from
what js haematite?
an ore we mostly get iron from
what is galena?
galena is an ore we get lead from
