General Principles and Processes of Isolation of Elements

Bihar Board Class 12 · Chemistry · 35 past questions

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1. Q11 2023 Set F

   The important oxide ore of iron is

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2. Q12 2023 Set F

   Pyrolusite is an ore of which of the following ?

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3. Q13 2023 Set F

   The process of reduction of a metal oxide by carbon or carbon monoxide to the metal is called

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4. Q14 2023 Set F

   Cyanide process is used for the extraction of which of the following metals ?

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