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Sublimation (chemistry): Quiz


Question 1:
Sublimation (chemistry), Polymerase chain reaction and Distillation are all:
Chemical processes Separation processes Alchemical processes Laboratory techniques

Question 2: At normal pressures, most ________ and elements possess three different states at different temperatures.
Inorganic chemistryChemical compoundElectrochemistryChemistry

Question 3: This phenomenon is used in ________, by hanging wet cloth outdoors in freezing weather to be retrieved dry at a later time.
Freeze dryingSmoking (cooking)Food preservationDrying (food)

Question 4: ________ produces fumes on gentle heating.

Question 5: In ________, sublimation typically referred to the process by which a substance is heated to a vapor, then immediately collects as sediment on the upper portion and neck of the heating medium (typically a retort or alembic).
GeberMuhammad ibn Zakariya al-RaziAlchemyIslamic Golden Age

Question 6: ________, a common ingredient in mothballs, also sublimes easily.

Question 7: Under this reduced ________ the solid volatilizes and condenses as a purified compound on a cooled surface (cold finger), leaving a non-volatile residue of impurities behind.
Pressure measurementTemperatureForcePressure

Question 8:
Sublimation (chemistry), Electrolysis and Precipitation (chemistry) are all:
Laboratory techniques Chemical processes Separation processes Phase changes

Question 9:
Sublimation (chemistry), Distillation and Melting point are all:
Phase changes Chemical processes Separation processes Laboratory techniques

Question 10: Typically a solid is placed in a sublimation apparatus and heated under ________.
Outer spaceVacuum pumpUniverseVacuum

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