April 2025 — Question 39
What is the CLASSIFICATION of an apparatus for electroplating flatware made up of silver anodes, an electrolytic solution, and a direct-current (DC) power source? The apparatus is designed for silver anodes and brass (copper-zinc) flatware cathodes to be immersed in the electrolytic solution. The apparatus functions by applying a positively- charged electric current through the anodes and a negatively-charged current through the cathodes. These charges cause silver atoms to dissolve in the electrolytic solution and move toward the negatively-charged brass flatware, thereby coating the brass flatware with silver.
- A7407.21.3000
- B8543.30.9080✓ CBP's answer
- C8215.10.0000
- D7106.92.5000
CBP's cited authority
Answer and citations as published in CBP's official answer key for the April 2025 examination.
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