reacticity series Flashcards
1
Q
what is produced when group 1 metals are put in water
A
metal hydroxide solution + hydrogen
2
Q
what can you describe a metal hydroxide solution as
A
alkaline
3
Q
if something fizzes what does that mean is being produced
A
hydrogen
4
Q
what happens when group 1 metals react with oxygen
A
they form metal oxides
5
Q
what happens when potassium reacts with oxygen
A
forms potassium peroxide
6
Q
some other metals also react with water what do they produce
A
metal hydroxide solution + hydrogen
7
Q
what is a redox reaction
A
when the metal is oxidised and the displaced metel ion is reduced
8
Q
whats the equation for rust
A
iron+oxygen+water=hydrated iron(iii) oxide
9
Q
how can you prevent rusting
A
coat with paint or plastic or grease or oil