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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
Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive metal.
Give the effect of heat on their ?
oxides
Name:
(b) two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen
Explain the following terms:
(c) slag
Explain the following terms:
smelting
Name the methods used for purification?
With a labelled diagram, explain the electro-refining of a particular metal.
`MnO_2 + 4Al` 
…………….
`Cu (OH)2`
................................
`2Cu_2O +Cu_2S`
......................
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state the reactions at the two electrodes ?
Distinguish between electrolytic methods of reduction and refining.
What is magnalium? Name the main elements present in it? Write its one use ?
Arrange the metals in (2) in the decreasing order of reactivity.
Explain the term of Metallurgy .
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Observe the figure and name and explain in brief the following method:
Which of the following methods is used to separate wolframite and stannic oxide present in cassiterite?
In leaching of alumina from bauxite by Bayer's process, then ore is treated with ______.
