Question
Which of the following methods is commonly used to extract metals low in the activity series, such as mercury and copper, from their ores?
Asked in RRB Technician Grade III · 2026
Metallurgy · Chemistry
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Metallurgy includes concentration, extraction and refining of metals.
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Questions Asked from Periodic Trends: Electronegativity, Electron Affinity & Metallic Character in Previous Exams
See how often Periodic Trends: Electronegativity, Electron Affinity & Metallic Character has appeared in previous-year questions across major government exams.
4UPSC Questions Asked in These Years:2012, 2013, 2021, 2023
9SSC Questions Asked in These Years:2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
7Railways Questions Asked in These Years:2016, 2018, 2021, 2022, 2023, 2025, 2026
16State PSC Questions Asked in These Years:2002, 2004, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Periodic Trends: Electronegativity, Electron Affinity & Metallic Character has appeared in 36 previous-year exam questions, most frequently in State PSC, SSC and Railways.
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