Polling process is employed for the remo...

Polling process is employed for the removal of

Zn from ZnS

`Fe from Fe_2O_3`

`Cu from Cu_2O`

`Al from Al_2O-3`

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BEYOND PUBLICATION-PRINCIPLES OF METALLURGY-EXERCISE

Concentration by forth floatation is applicable for which of the follo...
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Specific gravity of slag is always :
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Polling process is employed for the removal of
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Highly electropositive metals can not he extracted by carbon reduction...
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Tamishing of silver is due to the presence of this gas in air……..
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Pyrochemical processes in metallurgy are carried out in structure call...
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The following metal is obtained by the auto reduction of its sulphide ...
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Name the common elements present in the anode mud in the eletrolytic r...
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Rusting of iron takes place in
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The principle behind froth floatation is :
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In Goldschmit alumino thermic process, thermite mixture is :
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In the metallurgical extraction of iron, which of the following proces...
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During the electrolysis of molten salts, the metals are always produce...
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Arrange the following metals in the order of their decreasing reactivi...
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The corrent decreasing order of the reactivity of the metals : Fe, Co,...
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Roosting is carried out to
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Which is correct in the following ?
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Which is not feasible ?
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Food cans are coated with tin and not with zinc because
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Copper do not displacefrom dilute acids
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