Q. For goldplating on a copper chain, the substance required in the form of solution is
A) Copper sulphate
B) Copper chloride
C) Potassium cyanide
D) Potassium aurocyanide
Explanation
The correct answer is Option D: Potassium aurocyanide.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.