Difficult
The reduction of an oxide by aluminium is called:
- ABeeyer's process
- BGoldschmidt's aluminothermite process
- CHall's process
- Dvan Arkel process
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View SolutionStatement $I :$ Leaching of gold with cyanide ion in absence of air $/$ $O_2$ leads to cyano complex of $Au(III)$.
Statement $II :$ Zinc is oxidized during the displacement reaction carried out for gold extraction.
In the light of the above statements,choose the correct answer from the options given below.
Statement $II :$ Zinc is oxidized during the displacement reaction carried out for gold extraction.
In the light of the above statements,choose the correct answer from the options given below.
The electrolytic reduction of alumina to aluminum is made possible by the Hall-$H$éroult process in the presence of:
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