Topic 4 - Chemical changes Flashcards
1
Q
What is the difference between a strong and a weak acid?
A
Strong acids completely ionise in water
Whereas weak acids partially ionise in water
2
Q
What does the concentration of an acid tell you
A
How much acid there is in a certain volume of water
3
Q
Redox reactions consist
A
of the transfer of electrons
4
Q
How do you displace a metal
A
Reaction with a more reactive metal
5
Q
pH is a measure of
A
H+ ions in the solution
