Multiple choice

Corrosion is useful in

(a) when iron gets rusted (b) siver ornaments turn black (c) when aluminium corrodes (d) none as corrosion cannot be useful

  1. (a)

  2. (b)

  3. (c)

  4. (d)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Yes, this is correct , as corrosion of newly cut aluminium forms a layer of aluminium oxide which protects the aluminium from further corrosion.

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