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Extractions of Metals

5 questions · Chemistry · IIT JAM
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Extractions of Metals

5 questions · Chemistry · IIT JAM

  1. Sulfide ores are concentrated by2025 · Q3 · MCQ
  2. Elements and their processes of extraction/purification are given. The correct pair(s) is/are2024 · Q38 · Multiple correct
  3. The role(s) of fluorspar in the electrolytic reduction of Al2​O3​ is/are to2023 · Q38 · Multiple correct
  4. Iron is extracted from its ore via the reaction Fe2​O3​+3 CO→2 Fe+3 CO2​. The volume of CO (at STP) required to produce 1 kg of iron is ​ liters. *(round…2022 · Q53 · Numerical
  5. Which of the following metal(s) is(are) extracted from its(their) sulfide ore(s) by self-reduction/air reduction method?2018 · Q31 · Multiple correct