Question

The foaming action of fire extinguisher foam works by:

Asked in MP Police Constable · 2025
Combustion and Fire Safety · Chemistry
Exam PYQ4 Options
ChemistryChemistry in Everyday LifeCombustion and Fire SafetyMP Police Constable2025
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Catalysts change reaction rates without being consumed in the overall reaction.

Correct AnswerCorrect option for this question
Option A — Creating a barrier that excludes oxygen from fuel

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

See how often Chemistry in Everyday Life: 30 Must-Know Compounds has appeared in previous-year questions across major government exams.

High Exam Frequency
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
8Railways Questions Asked in These Years:2016, 2018, 2020, 2021, 2022, 2024, 2025, 2026
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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