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प्रश्न
Draw a neat and labelled diagram for Froth Floatation Process.
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उत्तर
Froth floatation method-
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संबंधित प्रश्न
Name the processes involved in refining of ores.
Explain the following terms:
(a) flux
`MnO_2 + 4Al` 
…………….
`HgS + O_2`
..................
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state the reactions at the two electrodes ?
Aluminium is extracted from its chief ore, bauxite. The ore is first purified and then the metal is extracted from it by electrolytic reduction.
Write three balanced equations for the purification of bauxite.
Complete the following flow chart and answer the questions below:
i) In which method pine oil is used?
ii) Explain what method of concentration in brief.
Explain with reason:
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The following is a sketch of an electrolytic cell used in the extraction of aluminium :
(a) What is the substance of which the electrode A and B are made?
(b) At which electrode (A or B) is aluminium formed?
(c) What are the two aluminium compounds in the electrolyte C?
(d) Why is it necessary for electrode B to be continuously replaced?
Write scientific reason.
Magnetic separation method is used to separate the magnetic ingredients in the ores.
Explain the froth floatation method with a neat labelled diagram.
Explain the smelting process.
Zirconium is refined by ____________.
In leaching of alumina from bauxite by Bayer's process, then ore is treated with ______.
Explain the following term:
Metallurgy
Name the process that is employed to refine aluminium.
