Statements about corrosion and rusting of iron

1. A.
   Coating of iron surface by tin prevents rusting, even if the tin coating is peeling off.
2. B.
   When $pH$ lies above 9 or 10, rusting of iron does not take place.
3. C.
   Dissolved acidic oxides ${SO}_{2},{NO}_{2}$ in water act as catalyst in the process of rusting.
4. D.
   Rusting of iron is envisaged as setting up of electrochemical cell on the surface of iron object.

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1. A.
   Both Statement I and Statement II are false
2. B.
   Statement I is false but Statement II is true
3. C.
   Both Statement I and Statement II are true
4. D.
   Statement I is true but Statement II is false

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