WorksheetsElectrochemical Cell
Total questions: 10
Worksheet time: 8mins
Which is less reactive than sodium but cannot be extracted from its ore using carbon
Magnesium
Pottassium
Zinc
Platinum
Which react with water to form hydrogen
Mercury
Pottassium
zinc
Copper
Aluminium window frames do not corrode away because the aluminium is? [mr-63]
not reactive enough with oxygen
not reactive enough with water
coated in a layer of aluminium oxide
not capable of forming an oxide
The ions in a solution which conduct electricity are known as
Electrolytes
Colloids
Electrodes
Metal A is more reactive than metal B. Which statement is correct?
Electrons flow in the external circuit from A to B
Positive ions flow through salt bridge from A to B
Positive ions flow in external circuit from B to A.
Electrons flow through salt bridge from B to A
This electrode in a voltaic cell gains mass
Anode
Cathode
The most reactive metal will be found at the
Anode
Cathode
In an electrochemical cell,
Which would be an accurate half-equation at the anode for aluminum?
Al3+ + 3e- --> Al
Al --> Al3+ + 3e-
Al3+ --> Al + 3e-
Al + 3e- --> Al3+
The least reactive metal will be at the
Anode
Cathode
Which direction do the electrons flow in wire X and which metal is oxidized?
A
B
C
D
