Reactivity Seris Etc Flashcards
1
Q
Extraction
A
The process of obtaining a metal from these compounds
2
Q
How to extract metals from ores which are less reactive than carbon
A
Heating carbon to metal oxide ore
3
Q
High/low grade ore
A
Contains a High/low % of (Cu) compounds of the required metal
4
Q
Why is ash in plant with metal compound richer than normal plant
Eg carbon
A
As many elements in the plant have combusted
C + O -) CO2
5
Q
Observation of copper with air
A
Bunsen flame turns blue-green
Red-brown copper flows red
Black layer forms around solid
