Advertisements
Advertisements
Question
Identify the following method of concentration of ores and explain briefly.
Advertisements
Solution
- This method represents Wilfley’s table of concentration of ores.
- Explanation:
- Wilfley’s table is made by fixing narrow, thin and long wooden riffles on an inclined surface.
- The table is given a regular vibrating motion.
- The powdered ore obtained from lumps of the ore using ball mill is fed on the top of Wilfley’s table and running stream of water is also released from the upper side.
- As a result, the lighter gangue particles are carried away by water and heavy ore particles in which proportion of minerals is more, settle between the wooden riffles fixed on the table and get collected on the slits between them.
APPEARS IN
RELATED QUESTIONS
Give the importance of the following for living beings:
Hydrogen
brown powder deposit on iron?
Explain the following term:
Gangue
`HgS + O_2`
..................
state the reactions at the two electrodes ?
what does it form with silica present in the ore?
How is it removed?
Distinguish between electrolytic methods of reduction and refining.
Which metal is used for:
making face creams
What is magnalium? Name the main elements present in it? Write its one use ?
Explain with reason:
Why is powdered coke sprinkled on top of the electrolyte?
Write the molecular formulae of the following compound.
Ferrous tungstate
Distinguish between:
Froth floatation - Leaching
Explain the hydraulic separation method with a neat labelled diagram.
Explain the froth floatation method with a neat labelled diagram.
Observe the figure and name and explain in brief the following method:
Explain the smelting process.
Identify false statement regarding lithium aluminium hydride?
