Lecture 5 UPI

The electrode that contains the plating metal

• Anode

• Cathode

The electrode that contains the item to be electroplated

• Anode

• Cathode

List the order of ion flow in electroplating

• Anode to electrolyte to cathode

• Electrolyte to anode

• Electrolyte to cathode

• Cathode to electrolyte to anode

If you were plating with copper, which electrolyte could be used

• Copper sulfate

• Nickel sulfate

• Hydrochloric acid

• Sulfuric acid

Which is not a reason for metal plating?

• decorative purposes

• prevent rust and corrosion

• to make the metal stronger

List the order of ion flow in electroplating

• Anode to electrolyte to cathode

• Electrolyte to anode

• Electrolyte to cathode

• Cathode to electrolyte to anode

An electrolyte is

• a metal

• a solution

• a liquid that conducts electricity

• none of these

Tags

NGSS.HS-PS2-5

If the fork is to be electroplated with silver metal, what electrolyte should be used?

• Molten silver chloride

• Aqueous silver nitrate

• Sodium chloride solution

• Copper(II) sulphate solution

Tags

NGSS.HS-PS2-5

The diagram shows a failed attempt to copper-plate a pan.

Which action will plate the pan with copper?

• cooling the copper sulfate solution in an ice bath

• heating the copper sulfate solution to boiling point

• increasing the voltage from 3V to 6V

• making the pan the cathode and the copper the anode

Which metal is used in electroplating cans to store food?

• nickel

• tin

• chromium

• silver