Midterm Exam(Chem 301) Part I
Quiz by MELIEN VANZUELA
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32 questions
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- Q1Which of the following sub discipline in chemistry deals with the study of all substances containing carbon?Inorganic chemistryBiochemistryOrganic chemistryAnalytical chemistry30s
- Q2Which of the following branch of chemistry deals with the analysis, identification, separation and composition of matter?BiochemistryAnalytical chemistryInorganic chemistryAnalytical chemistry60s
- Q3Which of the following is an example of chemical change?Melting ice creamCondensing water vaporBurning of magnesium ribbonAll of the above60s
- Q4It is the force of attraction between atoms and moleculeschemical bondscovalent bondnone of the abovechemical reactions60s
- Q5Which of the following properties is considered in a qualitative analysis?all of the aboveodorreactivitycolor60s
- Q6It is always necessary to dry the interior surface of a laboratory glassware before useTRUEFALSE60s
- Q7It refers to a component or chemical species that is of interest in an analytical procedure.soluteanalyteproductreactant60s
- Q8It is a method in a quantitative analysis that involves measurement of the mass of a substance chemically related to analyte.VolumetricElectroanalyticalSpectroscopicGravimetric60s
- Q9An analyte with a percentage from 0.1 t0 1% from the sample can be considered as_____.trace constituentmajor constituentminor constituentultratrace constituent60s
- Q10Which of the following is not considered as a concentrated acid?HBrKOHH2SO4HCl60s
- Q11Sodium chloride(NaCl) is an example of ______________.compoundelementsolutionheterogeneous mixture60s
- Q12Steel is an example of _____________.heterogeneous mixtureelementsolutioncompound60s
- Q13The distinguishing characteristics that we use to identify different samples of matter are called _________.PropertiesStructuresCompositionsChanges60s
- Q14Which of the following properties is considered in a quantitative analysis?massconcentrationall of the abovevolume60s
- Q15The following are chemical methods of quantitative analysis, except.none of the aboveprecipitationspectroscopytitration60s