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Aluminium is extracted by dissolving alu...

Aluminium is extracted by dissolving aluminium oxide in ..

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Aluminium is extracted from bauxite by the electrolysis of aluminium oxide dissolved in cryolite. Now answer the following question: Write down the word which correctly completes the following sentence: "By dissolving aluminium oxide in cryolite a __________ solution is produced. (nonconducting/conducting)"

Answer the following question related with the isolation of aluminium from bauxite: The aluminium oxide for the electrolytic extraction of aluminium is obtained by heating aluminium hydroxide. Write the equation for this reaction.

The following is an extract from 'Metals in the Service of Man, Alexander and Street/Pelican 1976. 'Alumina (aluminium oxide) has a very high melting point of over 2000^@ C so that it cannot readily be liquefied. However, conversion of alumina to aluminium and oxygen, by electrolysis, can occur when it is dissolved in some other substance : The aluminium oxide for the electrolytic extraction of aluminium is obtained by heating aluminium hydroxide. Write the equation for this reaction.

Write the equation for the reaction when aluminium oxide for the electrolytic extraction of aluminium is obtained by heating aluminium hydroxide.

(i)Name the solution used to react with Bauxite as a first step in obtaining pure aluminium oxide, in the Baeyer's process. (ii) Write the equation for the reaction where the aluminum oxide for the electrolytic extraction of aluminum is obtained by heating aluminium hydroxide.

Explain why : Aluminium cannot be extracted by reducing alumina with carbon.

Aluminium is mainly extracted by ……………………

Write the balanced chemical equation for the following reaction : "Iron II oxide reacts with Aluminium and gives molten Iron and Aluminium oxide."

Write the balanced chemical equation for the following reaction and identify the type of reaction and define it. 'Iron III oxide reacts with Aluminium and gives molten iron and aluminium oxide'.

Aluminium is extracted in the electrolysis of :