ANACHE24A Post Lecture Quiz - 032223

Which of the following quantitative methods is based on determining the mass of a pure compound to which an analyte is chemically related?

• Gravimetric Methods

• Volumetric Methods

• Electroscopic Methods

• None

Which of the following analytical methods involves mass determination?

• Gravimetric titrimetry

• Atomic Mass spectrometry

• Electrogravimetry

• Flame Emmision Photometry

Which of the following is an example of a specific precipitating reagent?

• Silver Nitrate

• 8-hydroxyquinoline

• Dimethylglyoxime

• Sulfuric Acid

Which of the following processes refers to the attachment of substances on the surface of a solid?

• Absorption

• Adsorption

• Elution

• Coagulation

Which of the following mechanisms of coprecipitations is/are only observed in crystalline precipitate?

• Surface Adsorption

• Mixed Crystal Formation

• Occlusion

• Mechanical entrapment

Recording thermal decomposition curves is called:

• Thermograms

• Thermogravimetric analysis

• Thermodynamics

• Thermal equations

Which of the following refers to the process by which a solid phase forms and is carried out of solution when the solubility product of a chemical species is exceeded?

• Precipitation

• Coprecipitation

• Coagulation

• Agglomeration

What mass of Cu(IO3)2 can be formed from 0.650 g of CuSO4 * 5H2O?

• 1.076 g

• 1.0976g

• 2.076g

• 2.0976g

Which of the following refers to the molar ratio of two chemical species that appear in a balanced chemical equation?

• Stoichiometric ratio

• Coefficient ratio

• N:C ratio

• Ratio and Proportion

Which of the following refers to the error encountered in titrimetry that arises from the difference between the amount of reagent required to give a detectable end point and the theoretical amount for reaching the equivalence point?

• Random Error

• Titration Error

• Dilution Error

• Analytical Error