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Surfactant: Quiz


Question 1: Surfactants are wetting agents that lower the surface tension of a liquid, allowing easier spreading, and lower the ________ between two liquids.
ViscosityFluid staticsSurface tensionFluid dynamics

Question 2:

Question 3: Pulmonary surfactants are also naturally secreted by type II cells of the lung alveoli in ________.
Even-toed ungulatePrimateMammalMammal classification

Question 4: Alkali Surfactant Polymers (used to mobilize oil in ________)
Completion (oil and gas wells)PetroleumPetroleum industryOil well

Question 5: ________ (based on quaternary ammonium cations)
Lithium-ion batteryHalf cellIonElectrolyte

Question 6: [1] Surfactants are usually organic compounds that are amphiphilic, meaning they contain both ________ groups (their "tails") and hydrophilic groups (their "heads").
HydrophobeChemical polarityHydrophileSuperhydrophobe

Question 7: For example, ________ is a persistent organic pollutant as judged by the Stockholm Convention.
Perfluorooctanoic acidPerfluorooctanesulfonic acidPerfluorononanoic acidPerfluorooctanesulfonyl fluoride

Question 8: Additionally, ________ has been subject to a voluntary agreement by the U.S. Environmental Protection Agencyā€ˇ and eight chemical companies to reduce and eliminate emissions of the chemical and its precursors.
Perfluorooctanesulfonic acidPolytetrafluoroethylenePerfluorooctanoic acidPerfluorononanoic acid

Question 9: ________ (SDS), ammonium lauryl sulfate, and other alkyl sulfate salts
Magnesium sulfatePhenolphthaleinSodium lauryl sulfateSorbitol

Question 10: Deinking of ________, both in flotation, washing and enzymatic processes
RecyclingBattery recyclingAluminium recyclingPaper recycling

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