Question

The free layer metal sheet gets covered with a brittle brown coloured layer . When this metal sheet is covered with another metal it does not form any such layer (answer the metal and brown layer formed name THE phenomenaand also name the metal which do not permit any such layer to form? )

Answer 1

The metal is iron, the brown layer is rust, the phenomena is called rusting or oxidation and zinc is the metal plated on it to prevent rusting.

Answer 2

Heya Mate!!!✌✌✌

Here's your answer!!!☣☣☣☣

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↪↪↪✴The phenomenon that takes place is Corrosion✴↩↩↩

↪↪↪✴In this case, it is Rusting of Iron as the layer formed is brown in colour ( the colour of hydrated ferric oxide ie rust )✴↩↩↩

↪↪↪✴The metal that is used to cover the rusted sheet to prevent rusting is either Nickel or Chromium. This process is called Galvanisation✴↩↩↩

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Hope it helps you ☯☯☯☯

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