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State the conditions under which the pre...

State the conditions under which the preparation of alumina from aluminium is carried out. Give the necessary equations which need not be balanced.

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To prepare alumina (Al₂O₃) from aluminum (Al), the following steps and conditions are involved: ### Step-by-Step Solution: 1. **Reaction with Sodium Hydroxide (NaOH)**: - Aluminum reacts with an aqueous solution of sodium hydroxide. This reaction occurs under alkaline conditions and typically requires heat to proceed efficiently. - The equation for this reaction is: \[ ...
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