Metals and it's uses Flashcards
0
Q
what is a reduction reaction?
A
it is when a molecule gains electrons.
1
Q
Iron(iii) oxide + carbon
A
Carbon is displacing Iron because Carbon is more reactive than Iron
2
Q
what is a metal ore?
A
is a rock which contains enough metal to make it worthwhile extracting the metal from it
3
Q
what does electrolysis?
A
the electrical splitting if a compound
4
Q
Name 2 disadvantage of extracting metals?
A
scarring of the landscape and loss of habitat
noise
5
Q
explain briefly two traditional ways of extracting metals?
A
u
6
Q
copper sulphide+ sulphuric acid
A
Electrolysis
