Question
In many cities, hard water containing calcium and magnesium ions is common. Under such conditions, detergents often outperform soaps. Which statement correctly explains the advantage of detergents in domestic cleaning?
Asked in Delhi Head Constable AWO TPO · 2025
Soap and Detergent · Chemistry
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Carbon forms many compounds because of tetravalency and catenation.
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Questions Asked from Alkanes (Saturated Hydrocarbons): Structure & Reactions in Previous Exams
See how often Alkanes (Saturated Hydrocarbons): Structure & Reactions has appeared in previous-year questions across major government exams.
11UPSC Questions Asked in These Years:2010, 2011, 2012, 2013, 2014, 2017, 2019, 2020, 2021, 2023, 2024
9SSC Questions Asked in These Years:2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
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15State PSC Questions Asked in These Years:2002, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Alkanes (Saturated Hydrocarbons): Structure & Reactions has appeared in 40 previous-year exam questions, most frequently in State PSC, UPSC and SSC.
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