![The chemical compound used for etching of PCB is](https://www.gkseries.com/blog/wp-content/uploads/2022/01/The-chemical-compound-used-for-etching-of-PCB-is.png)
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
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