Bases and Alkalis Flashcards
1
Q
How are bases and alkalis different?
A
Bases are insoluble, whereas alkalis are soluble.
2
Q
What are bases usually called?
A
Metal oxides, hydroxides, carbonate. e.g. calcium carbonate.
3
Q
Are alkalis bases?
A
Yes, but soluble ones.
4
Q
What is the pH for strong alkalis?
A
12-14
5
Q
What is the pH for weak alkalis?
A
8-10
6
Q
What is the colour of a strong alkali?
A
Blue
7
Q
What is the colour of a weak alkali?
A
Dark Purple
8
Q
What do bases do?
A
Bases neutralise acids.
