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प्रश्न
Draw a neat and labelled diagram for Froth Floatation Process.
उत्तर
Froth floatation method-
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संबंधित प्रश्न
Give the importance of the following for living beings:
Nitrogen
Give the importance of the following for living beings:
Hydrogen
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: hydroxide
Explain the following terms:
(c) slag
Explain the following terms:
smelting
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.
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In Wilfley table method to separate particles of gangue _______ method is used.
The chemical formula of zinc blend is _______.
Match the columns.
| Group A | Group B |
| 1. ZnS | a) Copper Sulphide |
| 2. HgS | b) Bauxite |
| c) Cinnabar | |
| d) Zinc blend |
Write the molecular formulae of the following compound.
Stannic oxide
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
Observe the figure and name and explain in brief the following method:
A process of extracting metals from aqueous solutions of their salts using suitable reducing agents is called ______
After partial roasting, the sulphide of copper is reduced by ______.
Name the process that is employed to refine aluminium.
