Question

Which of the following methods is NOT used for the ore enrichment?

Asked in RRB Group D · 2025
Metallurgy · Chemistry
Exam PYQ4 Options
ChemistryChemistry in Everyday LifeMetallurgyRRB Group D2025
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Quick Revision

Catalysts change reaction rates without being consumed in the overall reaction.

Correct AnswerCorrect option for this question
Option A — Dredging

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Questions Asked from Chemistry in Everyday Life: 30 Must-Know Compounds in Previous Exams

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8UPSC Questions Asked in These Years:2010, 2011, 2012, 2015, 2020, 2021, 2023, 2024
9SSC Questions Asked in These Years:2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
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14State PSC Questions Asked in These Years:2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Chemistry in Everyday Life: 30 Must-Know Compounds has appeared in 39 previous-year exam questions, most frequently in State PSC, SSC and UPSC.
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