Which of the following is a true statement? (Choose more than one option if true)

A. Mild steel will be subject to preferential corrosion when in electrical continuity with stainless steel in presence of an electrolyte
B. Stainless steel will be subject to preferential corrosion when in electrical continuity with Mild steel in presence of an electrolyte
C. Copper will be subject to preferential corrosion when in electrical continuity with Mild steel in presence of an electrolyte
D. Zinc will be subject to preferential corrosion when in electrical continuity with Aluminium in presence of an electrolyte

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