C2 KO Flashcards
Oxidation
A reaction where oxygen is added
Reduction
A reaction where oxygen is removed
Reactivity Series
A table of elements (mostly metals) in order if reactivity
Displacement
Where a more reactive element displaces a less reactive element in its compound
Ore
An ore is a rock that contains enough of a metal compound to be economically worth extracting
Native metal
An unreactive metal that is found on its own in the ground
How can metals be placed in order of reactivity?
add the metals to water or acid and see which one reacts the most vigorously
Why is platinum found in the Earth’s crust?
It’s unreactive
How are metals less reactive than carbon extracted from their ore?
Reduction with carbon
State the 3 common acids and give their formula.
Hydrochloric acid HCL
Sulphuric Acid H₂SO₄
Nitric Acid HNO₃
