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प्रश्न
Answer the following questions based on the extraction of aluminium from alumina by Hall - Heroult’s Process :
Name the electrode, from which aluminium collected.
उत्तर
Aluminium is collected at cathode.
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संबंधित प्रश्न
In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?
In the extraction of aluminium: Why is it necessary to replace anodes time to time?
A zinc ore gave CO2 on treatment with a dilute acid. Identify the ore and write its chemical formula.
Name one ore of aluminium. Name the aluminium compound present in this ore and write its chemical formula.
The metal which can be extracted simply by heating the cinnabar ore in air is:
(a) Zn
(b) Cu
(c) Al
(d) Hg
Which one of the following is not true of metal :
Metals are malleable and ductile
Which one of the following is not true of metal :
Metal will have 1 or 2 or 3 electrons in their valence shell.
Name the following:
A steel grey coloured solid non-metal.
Explain Bayer’s process of concentration of bauxite with a chemical equation.
Explain the difference between Bayer’s process and Hall’s process by explaining the Bayer’s process.