CBSE Class 11-science Answered
Why the Mg and Be reacts with air only in powdered state?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Due to formation of an oxide film on the surface of metal they are unable to react further. Hence powdered metal is used to react with air.
Answered by | 04 Jun, 2014, 03:23: PM
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