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Detergent: Quiz

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Question 1: [1] For the history of ________, see the entry thereon.
PotassiumAluminiumSoapPalm oil

Question 2: Other detergent surfactants came from saponins and ox ________.
Human gastrointestinal tractSecretinDigestionBile

Question 3: ________ to 'cut' (emulsify) grease and to wet surfaces
SurfactantPerfluorooctanoic acidAmphiphileSodium lauryl sulfate

Question 4: [3] In the late 1960s biological detergents, containing ________, better suited to dissolve protein stains, such as egg stains, were introduced in the USA by Procter & Gamble.
EnzymeAdenosine triphosphateEnzyme inhibitorCofactor (biochemistry)

Question 5: Substances to modify pH or to affect performance or stability of other ingredients, ________ for descaling or caustics to break down organic compounds
AcidAcid–base reactionAcid dissociation constantOxygen

Question 6: Detergents were mainly used in industry until ________.
World War IICollaboration with the Axis Powers during World War IISecond Sino-Japanese WarSoviet occupations

Question 7: The term detergent is sometimes used to refer to any ________, even when it is not used for cleaning.
SurfactantPerfluorooctanoic acidAmphiphileSodium lauryl sulfate

Question 8: ________ to digest proteins, fats, or carbohydrates in stains or to modify fabric feel
Enzyme inhibitorEnzymeCofactor (biochemistry)Adenosine triphosphate

Question 9: oxidants (oxidizers) for ________, disinfection, and breaking down organic compounds
OzoneHydrogen peroxideBleachChlorine

Question 10: The term is sometimes used to differentiate between ________ and other surfactants used for cleaning.
AluminiumPalm oilSoapPotassium







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