Go through the following question and provide the answer:
An aluminium object is exposed to air. Unlike iron, it does not continue to corrode rapidly because a thin, protective layer 'X' forms on its surface and it has a special property Y.
i. Identify 'X' and 'Y'.
i. Identify 'X' and 'Y'.
i. 'X' is and 'Y' is .
ii. Which statement correctly compares aluminium with iron?.
iii. Why does X protect aluminium?.