SS18 Exam 3 practice - Chemistry



Indicate the answer choice that best completes the statement or answers the question.1.?Which of these elements is the basis for organic chemistry??a.?Hydrogen?b.?Nitrogen?c.?Sodium?d.?Carbon?e.?Chlorine2.?Which of the following is true of a hydrocarbon??a.?It consists of carbon and hydrogen atoms.?b.?It can form a ring structure.?c.?It is a good fuel for combustion reactions.?d.?It can contain double or triple bonds.?e.?All of these3.?Which of these is the correct name for the structural formula???a.?Ethane?b.?Butane?c.?Heptane?d.?Hexane?e.?Methane4.?How many structural isomers does pentane have??a.?1?b.?2?c.?3?d.?4?e.?55.?Which of these is the correct name for CH3CH2HC=CHCH3??a.?Pentene?b.?Pentyne?c.?Hexene?d.?Hexyne?e.?Butadiene6.?Which of these statements about isomers is incorrect??a.?Isomers have the same chemical formula.?b.?Isomers have different structural formulas.?c.?Isomers have essentially the same properties.?d.?Alkenes and alkynes exhibit isomerism based on the position of the double or triple bonds.?e.?In alkanes, the greater the number of carbon atoms the greater the number of isomers.7.?Which of these is the generic symbol for the functional group "alcohols"??a.?R-Cl?b.?R-OH?c.??d.??e.?8.?Which of these is the generic symbol for the functional group "ketones"??a.?R-Cl?b.?R-OH?c.??d.??e.?9.?Which of these is not correct??a.?Alkynes always contain a triple bond.?b.?Alcohols contain at least one oxygen atom.?c.?Amines contain at least one phosphorus atom.?d.?Carboxylic acids contain at least two oxygen atoms.?e.?An aldehyde contains a double bond.10.?Which of these is the general formula for a carboxylic acid??a.?RCOOH?b.?RCOR?c.?RCOH?d.?ROR?e.?RCOHR11.?Which of the following elements is?generally present in an amine apart from carbon and hydrogen??a.?Chlorine?b.?Argon?c.?Helium?d.?Boron?e.?Nitrogen12.?Tiny packets of energy that travel at the speed of light are known as _____.?a.?photons?b.?X-rays?c.?carotenes?d.?chlorophylls?e.?gamma rays13.?Which of the following is true of the speed of light??a.?It increases as the frequency of light increases.?b.?It increases as the wavelength of light increases.?c.?It is constant; it does not depend on frequency and wavelength of light.?d.?It decreases as the frequency of light increases.??e.?It decreases as the wavelength of light increases.14.?The speed of light is 3.0 x 108?_____.?a.?meters per second?b.?miles per hour?c.?kilometers per second?d.?kilometers per hour?e.?centimeters per second15.?An FM radio station, broadcasts at a frequency of 1.039 × 108 s?1. What is the wavelength of the radio waves, in meters? c = 3 × 108 m/s?a.?0.346 m?b.?2.89 m?c.?3.11 × 108 m?d.?3.11 × 1016 m?e.?3.0 × 10?9 m16.?Arrange these spectral regions in order of increasing frequency?(X-rays, Microwaves, Ultraviolet, Visible).?a.?Microwaves < Visible < Ultraviolet < X-rays?b.?Microwaves < Visible < X-rays < Ultraviolet?c.?Ultraviolet < X-rays < Visible < Microwaves?d.?Ultraviolet < Visible < X-rays < Microwaves?e.?X-rays < Microwaves < Ultraviolet < Visible17.?Which of these colors of visible light has the lowest energy??a.?Red?b.?Orange?c.?Yellow?d.?Blue?e.?Violet18.?The interaction of matter and light is known as _____.?a.?photodecomposition?b.?phosphorescence?c.?fluorescence?d.?spectroscopy?e.?photochemistry19.?The wavelengths of green and red lights are 500 nm and 700 nm, respectively. Which of the following statements is correct??a.?The frequency of green light is more than the frequency of red light.?b.?The frequency of green light is less than the frequency of red light.?c.?The energy of green light is less than the energy of red light.?d.?The frequency of green light is equal to the frequency of red light.?e.?The energy of green light is equal to the energy of red light.20.?When excited, a particular element emits yellow light with wavelength 589 nm. Identify the element.?a.?Hydrogen?b.?Sodium?c.?Lithium?d.?Helium?e.?Mercury21.?Which of these control a majority of our body's chemistry??a.?Lipids?b.?Nucleic acids?c.?Carbohydrates?d.?Proteins?e.?Vitamins22.?Which of these represents the general formula for a fatty acid??a.?RCO?b.??c.??d.??e.?23.?Which of these is a carbohydrate??a.?Cellulose?b.?Glucose?c.?Fructose?d.?Lactose?e.?All of these24.?Which of these molecules link together to form proteins??a.?Vitamins?b.?Amino acids?c.?Monosaccharides?d.?Fatty acids?e.?Triglycerides25.?Amino acids are linked together by _____ to form proteins.?a.?disulfide linkages?b.?hydrogen bonds?c.?alpha linkages?d.?hydrophobic interactions?e.?peptide bonds26.?Classify this structure.??a.?Dipeptide?b.?Fatty acid?c.?Polypeptide?d.?Protein?e.?Triglyceride27.?The alpha helix structure is a _____ structure of proteins.?a.?primary?b.?secondary?c.?tertiary?d.?quaternary?e.?parent28.?Chains of amino acids with 50 units or fewer are called _____.?a.?polysaccharides?b.?polypeptides?c.?proteins?d.?polyamides?e.?polyamines29.?Which of these proteins composes hair and wool??a.?Hemoglobin?b.?α-keratin?c.?Lysozyme?d.?Insulin?e.?None of these30.?Which of these is not a base found in DNA??a.?Adenine?b.?Guanine?c.?Cytosine?d.?Tyrosine?e.?Thymine31.?Which of these substances is one of the most widely used drugs in the world??a.?Aspirin?b.?Tylenol?c.?Anacin-3?d.?Nuprin?e.?Motrin IB32.?A drug that lowers fever is known as a(n) _____ drug.?a.?analgesic?b.?anti-inflammatory?c.?antipsychotic?d.?neurotransmitter?e.?antipyretic33.?A drug that reduces swelling is known as a(n) _____.?a.?analgesic?b.?anti-inflammatory?c.?antipsychotic?d.?neurotransmitter?e.?antipyretic34.?A drug that relieves minor pain is known as a(n) _____ drug.?a.?analgesic?b.?anti-inflammatory?c.?antipsychotic?d.?neurotransmitter?e.?antipyretic35.?Identify the function/functions of acetaminophen.I.Fever reducerII.Pain relieverIII.Anti-inflammatoryIV.Long-lasting effect?a.?I only?b.?I and II?c.?I and III?d.?I, II, and III?e.?I, II, and IV36.?Cisplatin is used for the treatment of which of the following??a.?AIDS?b.?Cancer?c.?Depression?d.?Bacterial infection?e.?None of these37.?Ethanol or grain alcohol acts as a _____.?a.?stimulant?b.?narcotic?c.?depressant?d.?steroid?e.?hallucinogen38.?Which of these is not a narcotic??a.?Opium?b.?Codeine?c.?Heroin?d.?Nitrous oxide?e.?Morphine39.?Which of these drugs is not an anti-depressant??a.?Prozac?b.?Valium?c.?Methadone?d.?Zoloft?e.?Paxil40.?Which of the following is/are the side effects of aspirin?I.The acidity of aspirin irritates the stomach.II.Aspirin causes a small amount of stomach bleeding.III.Aspirin reduces the formation of blood platelets.?a.?II only?b.?I and II?c.?II and III?d.?III only?e.?I, II, and III41.?Fluoxetine is the chemical name for which of the following trade names??a.?Valium?b.?Prozac?c.?Zoloft?d.?Paxil?e.?LibriumAnswer Key1.?d2.?e3.?d4.?c5.?a6.?c7.?b8.?d9.?c10.?a11.?e12.?a13.?c14.?a15.?b16.?a17.?a18.?d19.?a20.?b21.?d22.?e23.?e24.?b25.?e26.?e27.?b28.?b29.?b30.?d31.?a32.?e33.?b34.?a35.?b36.?b37.?c38.?d39.?c40.?e41.?b ................
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