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ALLEN-METALLURGY-EXERCISE-03
- State True/False Metals can be recovered from their ores by chemical...
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- Sulphide ore of copper can be concentrated by
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- Which of the following metal is purified by distilation process?
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- Highly pure metals can be obtained by zone refining.
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- Zinc carbonate is precipitated from zinc sulphate solution by the addi...
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- The slag obtained during the extraction of copper pyrites is compose...
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- In calcination, ore is heated with absence of air
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- A number of elements are available in earth's crust but most abundant ...
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- Pitch blende is an ore of
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- In the metallurgical process for electrorefining of the metal, the ano...
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- In a thermite process ………….. Is used as reducing agent.
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- The mineral ilmenite contains .........and...........metal
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- Answer the following questions briefly. What is the actual reducing...
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- Bessemer converter is used for manufacture of
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- The transition metal present in the alloy gun metal is .
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- The slag obtained during the extraction of copper pyrites is compose...
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- If a spoon of copper metal is placed in a solution of ferrous sulphate...
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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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