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प्रश्न
Complete the following flowchart.
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उत्तर
| Separation method of metals | |||
| Wilfley table method | Hydraulic separation method | Magnetic separation method | Froth floatation method |
APPEARS IN
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.
Identify A and B and give their reactions with dil HCL and dil H2SO4 ?
Name:
(a) the processes involved in
concentration :-
With a labelled diagram, explain the electro-refining of a particular metal.
`ZnCO_3`
..............................
`2Cu_2O +Cu_2S`
......................
Which metal is used for:
making face creams
Arrange the metals in (2) in the decreasing order of reactivity.
In Wilfley table method to separate particles of gangue _______ method is used.
Cassiterite is a copper ore.
Distinguish between:
Froth floatation - Leaching
Explain concept with example/explain with the help of a balanced equation.
Gangue
Explain concept with example/explain with the help of a balanced equation.
Minerals
Explain the hydraulic separation method with a neat labelled diagram.
Chemical formula of rust is ______
The chemical name of rust is ______.
State the reason for the addition of caustic alkali to bauxite ore during the purification of bauxite.
Zirconium is refined by ____________.
Name the process that is employed to refine aluminium.
