Properties of metals and extracting copper Flashcards
1
Q
Properties of metals
A
Hard
Shiny
Conducts electricity
Malleable
2
Q
2 methods to extract copper
A
Smelting
Sulphuric acid
3
Q
Disadvantages of these
A
Sulphuric acid can harm the environment
Smelting causes pollution
4
Q
What is phytomining
A
Plants are burned to produce ash which contains copper compounds
5
Q
What is bioleaching
A
Bacteria can produce solutions which contain copper compounds
6
Q
Define ductile
A
Can be drawn into thin material like wire
7
Q
Define sonorous
A
Metals ring like bell and don’t make a dull thud
