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General Principles And Processes Of Isolation Of Elements

Question

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What is the significance of leaching in the extraction of aluminium?

Solution

Leaching is significant as it helps in removing the impurities like SiO₂, Fe₂O₃ etc. from the bauxite ore to get concentrated pure alumina (Al₂O₃)

Some More Questions From General Principles And Processes of Isolation Of Elements Chapter

Name the common elements present in the anode mud in electrolytic refining of copper. Why are they so present?

What criterion is followed for the selection of the stationary phase in chromatography?

What is the role of cryolite in the metallurgy of aluminium?

Why is zinc not extracted from zinc oxide through reduction using CO?

What is the role of graphite rod in the electrometallurgy of aluminium?

Predict conditions under which Al might be expected to reduce MgO.

Define the term gangue or matrix.

Define the term flux.

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