09/02/21 Flashcards
1
Q
Give an example of a base
A
Metal oxides
2
Q
We use an excess amount of a base but why?
A
So all of the acid is reacted
3
Q
What happens during a precipitation reaction?
A
When 2 liquids react from a solid
4
Q
Lead nitrate + sodium chloride->
A
Lead chloride + sodium nitrate
5
Q
What is the first step of a precipitation reaction?
A
Add 1 spatula of lead nitrate to deionised water to dissolve it
6
Q
2nd step?
A
Do the same with sodium chloride
7
Q
3rd?
A
Mix them into a beaker and stir and see lead chloride
8
Q
4th?
A
Filter the solution
9
Q
5th?
A
Rinse filter paper with deionised water to make no soluble sodium nitrate
10
Q
Last?
A
Leave it to dry
11
Q
What is electrolysis?
A
Splitting up with electricity
12
Q
It should be a ___ because ?
A
Liquid because the ions need to be able to flow
