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{:(Column-I(Ore),Column-II),((A)"Iron",(...

`{:(Column-I(Ore),Column-II),((A)"Iron",(p)"Carbon reduction method"),((B)Lead,(q)"Self reduction"),((C)Copper,(r)"Thermite process"),((D)"Chromium",(s)"Hydrometallurgical process"):}`

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The correct Answer is:
`(A) rarr p; (B) rarr p,q; (C) rarr q,s; (D) rarr r`
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{:(Column-I("Metal"),column-II),((A)"Magnesite",(p)"Ore of magnesium"),((B)"Siderite",(q)"Ore of aluminium"),((C)"Corundum",(r)"Oxide ore"),((D)"Bauxite",(s)"Carbonate ore"):}

Match the following {:(,"Column-I",,"Column-II"),((A),"Isothermal process",(p),"Temperature changes"),((B),"Isobaric process",(q),"Pressure changes"),((C),"Isochoric process",(r),"Volume change"),((D),"Cyclic process",(s),"Initial and final states are same"):}

ALLEN-METALLURGY-EXERCISE-03
  1. {:(Column-I(Ore),Column-II("Created formula & properties")),((A)"Iron ...

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

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

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

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

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

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

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  8. Statement-I : In the smelting of copper ore coke is added in the blas...

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  9. Statement-I : Extraction of iron metal from iron oxide ore is carried ...

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  10. Statement-I : Wolframite impurities are separated from cassiterite by ...

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  11. Statement-I : Lead, tin the bismuth are purified by liquation method. ...

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  12. Dow's process of extraction of Mg involves extraction of Mg from sea w...

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  13. Dow's process of extraction of Mg involves extraction of Mg from sea w...

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  14. Dow's process of extraction of Mg involves extraction of Mg from sea w...

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  15. Dow's process of extraction of Mg involves extraction of Mg from sea w...

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  16. Extraction of aluminium can be understood by : Electrolytric redu...

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  17. Extraction of aluminium can be understood by : Electrolytric redu...

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  18. Extraction of aluminium can be understood by : Electrolytric redu...

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  19. Extraction of aluminium can be understood by : Electrolytric redu...

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  20. Extraction of Aluminium can be understand by: electrolyte reducti...

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