Chemical Changes Flashcards
1
Q
What do Strong acids give off in aqueous solutions?
A
Hydrogen ion (H+)
2
Q
What do alkalis give off in aqueous solutions?
A
Hydroxide ions (OH−)
3
Q
What is a Strong Acid?
A
Are completely ionised in aqueous solutions.
4
Q
What is a Weak Acid?
A
Are partially ionised in aqueous solutions.
5
Q
What is the positive electrode called?
A
Anode
6
Q
What is the negative electrode called?
A
Cathode
7
Q
What is the positive ion called and which electrode does it go to?
A
Cations
They go to the Cathode (Negative electrode)
8
Q
What is the negative ion called and which electrode does it go to?
A
Anions
They go to the Anode (Positive electrode)
9
Q
How can you produce a soluble salt?
A
Reacting acids with solid insoluble substances (e.g metals, metal oxides, hydroxides and carbonates)
