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ALLEN-METALLURGY-EXERCISE-03
- Metals can be recovered from their ores by chemical methods.
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- Sulphide ore of copper can be concentrated by froth floatation process...
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- Silver is purified by distillation process
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- Hightly pure metal can be obtained by zone refining
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- Zinc is precipitated from a solution of zinc sulphate by addition of i...
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- The slag obtained during the extraction of copper pyrites is composed ...
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- In calcination, ore is heated strongly in the absence of air
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- A number of elements are available in earth's crust but most abundant ...
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- Cassiterite is an ore of
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- In the metallurgical process for the electro-refining of the metal, th...
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- In the thermite process, is used as a reducting agent.
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- The mineral carnallite contains magnesiuma and...........metal
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- The actual reducing agent of haematite in blast furnace is ..........
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- In the basic Bessemer process for the manufacture of steel, the lining...
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- The transition metal present in the alooy gun metal is .
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- The slag obtained during the extraction of copper from coper pyrites i...
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- Iron is copper in the electrochemical series and hence displaces fro...
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- {:(Column-I(Ore),Column-II("Created formula & properties")),((A)"Iron ...
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- {:(Column-I("Metal"),column-II),((A)"Magnesite",(p)"Ore of magnesium")...
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- {:(Column-I(Ore),Column-II),((A)"Iron",(p)"Carbon reduction method"),(...
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