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A number of elements are available in ea...

A number of elements are available in earth's crust but most abundant elements are …..

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ALLEN-METALLURGY-EXERCISE-03
  1. The slag obtained during the extraction of copper pyrites is compose...

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  2. In calcination, ore is heated with absence of air

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  3. A number of elements are available in earth's crust but most abundant ...

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  4. Pitch blende is an ore of

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  5. In the metallurgical process for electrorefining of the metal, the ano...

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  6. In a thermite process ………….. Is used as reducing agent.

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  7. The mineral ilmenite contains .........and...........metal

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  8. Answer the following questions briefly. What is the actual reducing...

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  9. Bessemer converter is used for manufacture of

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  10. The transition metal present in the alloy gun metal is .

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  11. The slag obtained during the extraction of copper pyrites is compose...

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  12. If a spoon of copper metal is placed in a solution of ferrous sulphate...

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  13. {:(Column-I(Ore),Column-II("Created formula & properties")),((A)"Iron ...

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  14. {:(Column-I("Metal"),column-II),((A)"Magnesite",(p)"Ore of magnesium")...

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  15. {:(Column-I(Ore),Column-II),((A)"Iron",(p)"Carbon reduction method"),(...

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  16. Statement-I : All the ores are mineral Statement-II : Most of the or...

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  17. Statement-I : In the extraction of Ag the complex Na[Ag(CN)(2)] is rea...

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  18. Aluminium powder is used in thermite welding because :

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  19. Statement-I : CuFeS(2) is concentrated by froath floatation method S...

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  20. Reducing agent used for reduction of copper oxide in blast furnace is:...

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