General Principles & Processes of Isolating Elemen Class 12th Chemistry Ncert Solutions Chemistry Class 12th

6.17 How can you separate alumina from silica in a bauxite ore associated with silica? Give equations, if any.

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Vishal Baghel | Contributor-Level 10

10 months ago

To separate alumina from silica in bauxite ore associated with silica, firstly, the powdered ore is digested with a concentrated NaOH solution at a temperature of 473 – 523K and 35 – 36 bar pressure. This results in the leaching out of alumina (Al₂O₃) as sodium aluminate and silica (SiO₂) as sodium

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Chemistry Ncert Solutions Class 12th 2023

Chemistry Ncert Solutions Class 12th 2023

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