Q. The chemical compound used for etching of PCB is
A. Ferrous sulphate
B. Ferric chloride
C. Copper sulphate
D. None of the above
Answer: Ferric chloride
We will be happy to hear your thoughts
A. Ferrous sulphate
B. Ferric chloride
C. Copper sulphate
D. None of the above
Answer: Ferric chloride