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Cresol: Quiz

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Question 1: Cresols are found in many foods and in wood and tobacco smoke, crude oil, coal tar, and in brown mixtures such as ________, cresolene and cresylic acids, which are wood preservatives.
CreosotePhenolsInternational Agency for Research on CancerPhenol

Question 2: Cresols are ________ which are methylphenols.
Organic compoundCarbonOrganic chemistryBiochemistry

Question 3: In the past, cresol solutions have been used as ________ in surgery, but they have been largely displaced in this role by less toxic compounds.
ChlorhexidineAntisepticHydrogen peroxidePovidone-iodine

Question 4: Cresols are used to dissolve other chemicals, as ________ and deodorizers, and to make specific chemicals that kill insect pests.
AntisepticHydrogen peroxideDisinfectantSodium hypochlorite

Question 5: Depending on the temperature, cresols can be solid or ________ because they have melting points not far from room temperature.
Phase transitionLiquidColloidSupercritical fluid

Question 6: They are a widely occurring natural and manufactured group of ________ organic compounds which are categorized as phenols (sometimes called phenolics).
AromaticityCovalent bondChemical bondConjugated system

Question 7: Like other types of phenols, they are slowly oxidized by long exposure to ________ and the impurities often give cresols a yellowish to brownish red tint.
History of the EarthAtmosphere of EarthNatureEarth

Question 8: Cresols have an ________ characteristic to that of other simple phenols, reminiscent to some of a "coal tar" smell.
Chemical bondOlfactionOdorPerfume

Question 9: Cresols are also a chemical component found in ________.
Sprint Cup Series2008 NASCAR Sprint Cup SeriesUnited StatesSharpie (marker)

Question 10: In its chemical structure, a cresol molecule has a methyl group substituted onto the ________ of a phenol molecule.
EthyleneAlkaneBenzenePyridine







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