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In calcination, ore is heated strongly i...

In calcination, ore is heated strongly in the absence of air

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ALLEN-METALLURGY-EXERCISE-03
  1. Zinc is precipitated from a solution of zinc sulphate by addition of i...

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  2. The slag obtained during the extraction of copper pyrites is composed ...

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  3. In calcination, ore is heated strongly in the absence of air

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

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  5. Cassiterite is an ore of

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  6. In the metallurgical process for the electro-refining of the metal, th...

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  7. In the thermite process, is used as a reducting agent.

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  8. The mineral carnallite contains magnesiuma and...........metal

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  9. The actual reducing agent of haematite in blast furnace is ..........

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  10. In the basic Bessemer process for the manufacture of steel, the lining...

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  11. The transition metal present in the alooy gun metal is .

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  12. The slag obtained during the extraction of copper from coper pyrites i...

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  13. Iron is copper in the electrochemical series and hence displaces fro...

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

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

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

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

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

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  19. Statement-I : Thermite mixture Fe(2)O(3) +AI (powder) is used in the w...

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

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