C1.4 Flashcards
1
Q
How do you extract metals from anything above carbon?
A
electrolysis
2
Q
How do you extract anything above hydrogen?
A
Reduction with carbon
3
Q
What does oxidation mean?
A
The addition of oxygen to a substance, oxidation of metals leads to corrosion
4
Q
What does reduction mean?
A
The extraction of metals from their oxides
5
Q
Uses and properties of aluminium?
A
Low density, strong, corrosion resistant, reflective.
Aircraft, cans, bicycle, mirror ,window frames
6
Q
Uses and properties of Copper?
A
Ductile, conductor of heat and electricity, malleable
plumbing, wiring
7
Q
Uses and properties of gold?
A
Reflective, not corrosive, conductor of electricity
jewellery, reflectors
8
Q
Uses and properties of Steel?
A
Doesn’t corrode, hard
cutlery ,car parts
