Chemistry, asked by rahulrajspc8800, 10 months ago

What is metal coupling?Explain.

Answers

Answered by LEGEND778

Answer:

Explanation:

Whenever two dissimilar metals are connected or placed together, galvanic action takes place. Galvanic action is an electrical phenomenon that causes a small current to flow. Over time, this current flow causes oxygen to penetrate deep into metals, causing corrosion.

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