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WorksheetsGRAVIMETRIC ANALYSIS
Total questions: 10
Worksheet time: 4mins
What are the 3 types of Gravimetric analysis? Check all that applies.
Precipitate Gravimetry
Volatilization
Electrogravimety
Titrimetric analysis
Spectrometry
Which of the following are good properties when choosing a precipitating reagent? Check all that applies.
easily filtered for contaminants
reactive to constituents of the atmosphere
composition is unknown after dried
its solubility is low
These are tiny particles that show no tendency to settle from solution and are difficult to filter out.
Colloid precipitate
Crystalline precipitate
Nucleation
Analyte
This is the retention of a substance within the pores of a solid.
Adsorption
Absorption
Nucleation
Agglomeration
Primary adsorption layer + Counter ion layer = ______
Electric double layer
Anemo double layer
Cryo double layer
Secondary ion layer
This is a common source of coprecipitation:
Absorption
Adsorption
Nucleation
Recrystallization
What are the three types of coprecipitation? Check all that applies.
Surface adsorption
Agglomeration
Coalescent coagulation
Mixed crystal formation
Mechanical entrapment
Filtration improves the purity of both colloidal and crystalline precipitates.
TRUE
FALSE
What are the mechanisms of precipitate formation? Check all that applies.
Nucleation
Volatilization
Particle growth
Condensation
Agglomeration
What is the first step of gravimetric analysis?
Precipitation
Digestion
Washing
Ignition
Filtration
