Periodic Classification of Elements — Science STD 10 — Question
Tamilnadu BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
Question
How does Aluminium reacts with air?
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Answer
Reaction with air: It is not affected by dry air. On heating at $800^{\circ} C$, aluminium bums very brightly forming it's oxide and nitride.
$4 Al +3 O _2 \rightarrow Al _2 O _3 \text { (Aluminium oxide) } $
$2 Al + N _2 \rightarrow 2 AIN \text { (Aluminium nitride) }$
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