Which of the following methods can be used to prevent rusting?

Apply a coat of paint or grease

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Deposit a layer of a metal like chromium or zinc on iron

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Both of the above

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None of the above

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Solution

The correct option is C Both of the above
The following methods can be used to prevent rusting.
Applying a coat of paint or grease.
Depositingg a layer of a metal like chromium or zinc on iron.

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