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Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
Difficult

Select the correct matching:

  • A
    Pyro metallurgy: Extraction of $Fe$
  • B
    Pyro metallurgy: Extraction of $Fe$
  • C
    Hydro metallurgy: Extraction of $Au$
  • D
    All above are correct
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Mix Examples of General Principles and processes of Isolation of Elements

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In the leaching of $Ag_2S$ with $NaCN$,a stream of air is also passed. This is because of:

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Match the alloys in Column $A$ with their uses in Column $B$:
Column $A$ Column $B$
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$(e)$ Making surgical instruments

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The important advantage$(s)$ of Lintz and Donawitz $(L.D.)$ process for the manufacture of steel is (are):

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Which of the following is an incorrect match?

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