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प्रश्न
Explain the following term:
Metallurgy
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उत्तर
The process of extracting pure metals from their ores, followed by further purification using various processes. Metallurgy refers to the entire process.
संबंधित प्रश्न
Give the importance of the following for living beings:
Nitrogen
Give the importance of the following for living beings:
Hydrogen
Give the importance of the following for living beings:
Carbon
Why are alkali metals kept in kerosene oil?
brown powder deposit on iron?
An ore on being heated in air forms sulphurous anhydride. Write the process used for the concentration of this ore.
On which factors does the purification of metals depend?
`Ag2O`
................................
`Cu (OH)2`
................................
`ZnCO_3`
..............................
what does it form with silica present in the ore?
Which metal is used for:
lithographic plates for printing
A compound that is added to lower the fusion temperature of the electrolytic bath in the extraction of aluminium.
Why does iron or zinc not occur free in nature?
Write the molecular formulae of the following compound.
Ferrous tungstate
Explain the hydraulic separation method with a neat labelled diagram.
Explain the smelting process.
Calculate the difference between heat of combustion of carbon monoxide gas at constant pressure and at constant volume at 27°C? (R = 2 cal K-1 mol-1).
After partial roasting, the sulphide of copper is reduced by ______.
Calcination is used in metallurgy for the removal of?
