INSTRUMENTAL METHODS OF
CHEMICAL ANALYSIS QUESTIONS
AND CORRECT ANSWERS
AnalyticalA2ChemistryA2-A2Ans--
isA2theA2scienceA2whichA2helpsA2toA2satisfyA2suchA2curiosity
QualitativeA2analysisA2-A2Ans--AnswersA2"A2What'sA2inA2thisA2stuff?"
QuantitativeA2analysisA2-A2Ans--AnswersA2"A2HowA2much?"
ChemicalA2AnalysisA2-A2Ans--isA2concernedA2withA2determiningA2eitherA2theA2identity
ofA2theA2chemicalA2substancesA2orA2theA2amountA2ofA2aA2particularA2substanceA2inA2aA2sa
mple
ClassicalA2andA2InstrumentalA2AnalysisA2-A2Ans--chemicalA2analysisA2isA2dividedA2into:
AnalyticalA2InstrumentA2-A2Ans--
isA2aA2physical,A2oftenA2electricallyA2operated,A2deviceA2thatA2isA2usedA2toA2determineA2the
A2identityA2orA2amountA2ofA2oneA2orA2moreA2componentsA2inA2theA2analyzedA2substanceA2(
theA2analyte)
AssayA2-A2Ans--
aA2processA2ofA2analyzing,A2determiningA2orA2examiningA2aA2substanceA2toA2determineA2it
sA2composition,A2weight,A2measureA2orA2quality.A2ItA2canA2alsoA2beA2usedA2toA2determineA
2theA2presence,A2absence,A2orA2quantityA2ofA2oneA2orA2moreA2componentsA2inA2aA2sample
AnalyteA2-A2Ans--theA2chemicalA2substanceA2thatA2isA2theA2subjectA2forA2chemical
analysisA2orA2simplyA2theA2substanceA2beingA2analyzedA2byA2(forA2example)A2massA2spec
trometry,A2infraredA2spectroscopy,A2NMRA2spectroscopy,A2orA2chromatography
ClassicalA2orA2non-instrumentalA2analysisA2-A2Ans--
isA2theA2groupA2ofA2analyticalA2methodsA2thatA2onlyA2requiresA2theA2useA2ofA2chemicals,A2
aA2balance,A2calibratedA2glassware,A2andA2otherA2commonplaceA2laboratoryA2apparatus,A
2suchA2asA2funnels,A2burnersA2orA2hotA2plates,A2flasks,A2andA2beakers
ClassicalA2qualitativeA2analysisA2-A2Ans--
performedA2byA2addingA2oneA2orA2aA2seriesA2ofA2chemicalA2reagentsA2toA2theA2analyte
GravimetricA2andA2volumetricA2analysisA2-A2Ans--
ClassicalA2quantitativeA2analysisA2canA2beA2dividedA2into:
CHEMICAL ANALYSIS QUESTIONS
AND CORRECT ANSWERS
AnalyticalA2ChemistryA2-A2Ans--
isA2theA2scienceA2whichA2helpsA2toA2satisfyA2suchA2curiosity
QualitativeA2analysisA2-A2Ans--AnswersA2"A2What'sA2inA2thisA2stuff?"
QuantitativeA2analysisA2-A2Ans--AnswersA2"A2HowA2much?"
ChemicalA2AnalysisA2-A2Ans--isA2concernedA2withA2determiningA2eitherA2theA2identity
ofA2theA2chemicalA2substancesA2orA2theA2amountA2ofA2aA2particularA2substanceA2inA2aA2sa
mple
ClassicalA2andA2InstrumentalA2AnalysisA2-A2Ans--chemicalA2analysisA2isA2dividedA2into:
AnalyticalA2InstrumentA2-A2Ans--
isA2aA2physical,A2oftenA2electricallyA2operated,A2deviceA2thatA2isA2usedA2toA2determineA2the
A2identityA2orA2amountA2ofA2oneA2orA2moreA2componentsA2inA2theA2analyzedA2substanceA2(
theA2analyte)
AssayA2-A2Ans--
aA2processA2ofA2analyzing,A2determiningA2orA2examiningA2aA2substanceA2toA2determineA2it
sA2composition,A2weight,A2measureA2orA2quality.A2ItA2canA2alsoA2beA2usedA2toA2determineA
2theA2presence,A2absence,A2orA2quantityA2ofA2oneA2orA2moreA2componentsA2inA2aA2sample
AnalyteA2-A2Ans--theA2chemicalA2substanceA2thatA2isA2theA2subjectA2forA2chemical
analysisA2orA2simplyA2theA2substanceA2beingA2analyzedA2byA2(forA2example)A2massA2spec
trometry,A2infraredA2spectroscopy,A2NMRA2spectroscopy,A2orA2chromatography
ClassicalA2orA2non-instrumentalA2analysisA2-A2Ans--
isA2theA2groupA2ofA2analyticalA2methodsA2thatA2onlyA2requiresA2theA2useA2ofA2chemicals,A2
aA2balance,A2calibratedA2glassware,A2andA2otherA2commonplaceA2laboratoryA2apparatus,A
2suchA2asA2funnels,A2burnersA2orA2hotA2plates,A2flasks,A2andA2beakers
ClassicalA2qualitativeA2analysisA2-A2Ans--
performedA2byA2addingA2oneA2orA2aA2seriesA2ofA2chemicalA2reagentsA2toA2theA2analyte
GravimetricA2andA2volumetricA2analysisA2-A2Ans--
ClassicalA2quantitativeA2analysisA2canA2beA2dividedA2into: