The chemical compound used for etching of PCB is
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
A. Ferrous sulphate
B. Ferric chloride
C. Copper sulphate
D. None of the above
Answer: Ferric chloride