Electrolysis

What is an ore?

• a solid metal
• a rock cantaining a metal combined with other elements
• an element
• an object used to row a boat

What is the name of the positive electrode?

• cathode
• anode

Tags

NGSS.HS-PS2-5

What is the name of the negative electrode?

• cathode
• anode

The negatively charged ions migrate toward the ________.

• anode
• cathode

Tags

NGSS.HS-PS3-5

The negatively charged ions migrate toward the ________.

• anode
• cathode

Tags

NGSS.HS-PS3-5

What is the ore of aluminium called?

• Baxite

• Bauxite

• Cryolite

• Malachite

The electrodes in electrolysis of aluminium are made of

• Steel

• Anodes

• Graphite

• Plastic

What do you add to aluminium ore to reduce its melting temperature?

• Dendrite

• Malachite

• Bauxite

• Cryolite

What is electrolysis?

• breaking down of a compound using a current
• making a compound using a current

Tags

NGSS.HS-PS3-5

When NaCl solution is electrolysed what has forms at the anode?

• Hydrogen
• Oxygen
• Chlorine
• Sodium