Question

Write the chemical equation for the reaction taking
place when steam is passed over hot aluminium.
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Answer 1

Answer:

Aluminium oxide is formed in the beginning and it forms a protective layer on the aluminium and stops the reaction. But on increasing the temperature further, the protective coating breaks, evolving hydrogen again. 2Al + 3H20 (steam) --> Al2O3 + 3H2.

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Answer 2

Explanation:

2Al + 3H2O -------->> Al203 + 3 H2

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