ELECTROLYSIS

What is electrolysis?

• breaking down of a substance using electricity

• process of electricity current

What is Ore?

• a substance ( usually a rock) containing a metal

• a substance

• a type of metal

What kind of Electrical Current does Electroysis require?

• Direct
• Indirect
• Anternative
• A alternating

What is the name given to the solution that is being electrolysed?

• Salt solution
• Electric solution
• Mineral solution
• Electrolyte

Tags

NGSS.HS-PS1-5

Explain why the electrolyte has to be a liquid.

• So the ions can move
• So the electrons can move
• So that it doesn't get too hot
• So the fish are ok

What is the name of the negative electrode?

• cathode
• anode

Tags

NGSS.HS-PS3-5

What is the name of the positive electrode?

• cathode
• anode

The ease of discharge of metal ions decreases down the electrochemical series.

• True
• False

The negatively charged ions migrate toward the ________.

• anode
• cathode

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The diagram shows the electrolysis of lead(II) bromide using inert electrodes. Why does the bulb only light up  when the lead(II) bromide is melted?

• Bromine atoms in lead(II) bromide are converted to ions when it is melted
• Electrons flow through the lead(II) bromide when it is melted
• The ions in lead(II) bromide are acting as the mobile charge carriers when it is melted
• There are no ions in solid lead(II) bromide

Tags

NGSS.HS-PS2-5