Acids and bases Flashcards
1
Q
What are acids
A
They are a proton doner
An acid produces H+ in solution because it reacts with the water molecules by giving them this H+.
2
Q
What are bases
A
They are a proton acceptor
3
Q
What is the taste and colour of acids, what do they neutralise?
A
Sour tase, Turn litmus blue to red, neutralise bases
4
Q
What is the taste and colour of bases, what do they neutralise?
A
bitter taste
* Turned red litmus blue
* Neutralised acids
5
Q
What are Amphoteric substances? Give an example
A
A substance which can act as either an acid or a base, water is an example
6
Q
Finish the sentence… The stronger the value Ka
A
The stronger the acid
7
Q
Whats a buffer?
A
aqueous solution consisting of a mixture of a weak acid and its conjugate
base
