Chemical Reactions Flashcards
1
Q
Explain the trend in the reactivity series?
A
Moving down the group = lower reactivity’s
2
Q
Oxidation in terms of electrons?
A
loss of electrons
3
Q
Reduction in terms of electrons?
A
Gain of electrons
4
Q
in aqueous solutions acids produce….
A
Hydrogen ions (H+)
5
Q
in aqueous solutions alkali’s produce…..
A
Hydroxide ions (OH-)
6
Q
PH of acids on the PH scale?
A
0-6
7
Q
PH of alkali’s on the PH scale?
A
8-14
8
Q
acid + alkali = _____
A
salt + water
9
Q
what is the negative electrode called?
A
cathode
10
Q
what is the positive electrode called?
A
anode
