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Air and Atmosphere — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYAir and Atmosphere1 Mark
Question
ClassifyAluminium oxide. Also give a balanced equation to prepare it.
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Answer

aluminium oxide → amphoteric oxide
$4Al + 3O_2 → 2Al_2O_3$​​​​​​​

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