(A) Heating (X)
(B) Artificial Radioactivity (✔)
(C) Electroplating (X)
(D) Chemical Reaction (X)
Answers: Copper can be converted into gold by Artificial Radioactivity.
(A) Heating (X)
(B) Artificial Radioactivity (✔)
(C) Electroplating (X)
(D) Chemical Reaction (X)
Answers: Copper can be converted into gold by Artificial Radioactivity.
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