Ion Migration

What is required to break strong ionic bonds?

• A small amount of energy

• A tremendous amount of energy

• Only mechanical force

• No energy at all

What is used to fill the rest of the YouTube after adding copper dichromate gel?

• Sodium chloride solution

• Sulfuric acid

• Potassium nitrate solution

• Distilled water

What voltage is the power supply set to during the experiment?

• 15 volts

• 5 volts

• 20 volts

• 10 volts

What color does the solution around the positive electrode turn after electrolysis?

• Yellow

• Red

• Green

• Blue

What is the process of using electrical current to separate ions called?

• Electroplating

• Electrolysis

• Electrophoresis

• Electromagnetism

Which ions are attracted to the negative electrode during electrolysis?

• Chromate ions

• Copper ions

• Nitrate ions

• Sodium ions

What visual evidence indicates the separation of ions in the solution?

• Emission of light

• Color change around electrodes

• Change in temperature

• Formation of bubbles