General Principles and Processes of Isolation of Elements

Bihar Board Class 12 · Chemistry · 35 past questions

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1. Q4 2025 Set D

   Impurities present in an ore are called

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2. Q15 2022 Set E

   Sulphide ores are generally concentrated by which of the following ?

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3. Q20 2021 Set A

   Sulphide ores are concentrated by

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4. Q27 2017

   Sulphide ores are generally concentrated by –

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5. Q32 2015

   Concentration of sulphide ore is done by

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