This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Silver plated dyes use an electrolytic bath of: 
Select and explain. 
A. Silver fluorides, B. Silver cyanide, C. Silver bromide, D. Silver iodide
B: Silver cyanide
Answer: B: Silver cyanide 
Explanation: None