reactivity series Flashcards
1
Q
metals reaction with water
A
metal + water –> metal hydroxide + hydrogen
2
Q
main ways to prevent rusting barrier methods
A
painting coating with plastics
oiling and greasing
3
Q
ways to prevent rusting sacrificial method
A
zinc is used
will be oxidised instead of iron
4
Q
ores
A
metal ore is a compound that is profitable to extract
5
Q
gold in the earths crust
A
found uncombined
6
Q
oxidising agent
A
substance that causes something else to be oxidised.
7
Q
how are reactive metals obtained from there ores.
A
electrolysis
