Q&A Hero

Q: A line of equal longitude is called a A) meridian. B) zone. C) circle. D) parallel.

Q: The maximum east or west longitude possible is also called the A) meridian. B) longitude. C) International Date Line. D) equator.

Q: The international time standard is A) GMT. B) UTC. C) solar time. D) Zulu.

Q: The zeroth latitude is at A) 90N. B) 90S. C) the equator. D) the Greenwich Meridian.

Q: ______________ is defined as the angular measurement, in degrees, east or west of the Greenwich, or prime, meridian. A) The equator B) The International Date Line C) Latitude D) Longitude

Q: When one travels west while passing over a time zone boundary (ignoring daylight savings time issues), A) the date is decreased one day. B) the time is decreased one hour. C) the time is advanced one hour. D) the date is advanced one day. E) none of these occurs.

Q: When one travels east while passing over a time zone boundary (ignoring daylight savings time issues), A) the date is decreased one day. B) the time is decreased one hour. C) the time is advanced one hour. D) the date is advanced one day. E) none of these occurs.

Q: When one travels east while passing over the International Date Line, A) the date is decreased one day. B) the time is decreased one hour. C) the time is advanced one hour. D) the date is advanced one day. E) none of these occurs.

Q: When one travels west while passing over the International Date Line, A) the date is decreased one day. B) the time is decreased one hour. C) the time is advanced one hour. D) the date is advanced one day. E) none of these occurs.

Q: The International Date Line in theory is ___________, with variations to accommodate the needs of various countries. A) a longitude B) a meridian C) a latitude D) a parallel E) none of these

Q: An imaginary line from one geographic pole to the other along the surface of Earth perpendicular to the equator, and that passes through Greenwich, England, is calledA) a longitude.B) a meridian.C) the International Date Line.D) a parallel.E) the prime meridian.

Q: An imaginary line from one geographic pole to the other along the surface of Earth perpendicular to the equator is called A) a longitude. B) a meridian. C) the International Date Line. D) a parallel.

Q: Parallels of latitude are parallel to the A) longitude. B) International Date Line. C) equator. D) meridian.

Q: The imaginary line encircling Earth at its surface, halfway between the north and south geographic poles, is called the A) meridian. B) equator. C) International Date Line. D) longitude. E) latitude.

Q: A solution of what sugar is used for intravenous feeding in a hospital? A) Sucrose B) Fructose C) Glucose D) Lactose

Q: During ester formation, the "OH is removed from the A) carboxylic acid. B) amine. C) alcohol. D) sugar.

Q: The general formula is that ofA) an amide.B) an alkyl halide.C) an alcohol.D) none of these

Q: The general formula R-NH2is that of A) an amine. B) an alkyl halide. C) an alcohol. D) none of these

Q: The general formula ROH is that of A) an amine. B) an alkyl halide. C) an alcohol. D) none of these

Q: The general formula R-X is that of A) an amine. B) an alkyl halide. C) an alcohol. D) none of these

Q: The process by which liquid fats, such as vegetable oils, can be converted to solid fats is called A) hydrogenation. B) saturation. C) carbonation. D) oxygenation.

Q: Which of the following compounds has two hydroxyl groups? A) Ethylene glycol B) Ethanol C) Glycerol D) Cholesterol

Q: Which carbohydrate cannotbe digested by humans as a direct source of energy? A) Fructose B) Glucose C) Sucrose D) Cellulose E) Starch

Q: Which compound has three hydroxyl groups? A) Ethylene glycol B) Ethanol C) Cholesterol D) Glycerol

Q: The general formula RNH2is that of A) an ester. B) an amine. C) an amide. D) none of these

Q: Triesters of long-chain acids with glycerol are called A) condensation polymers. B) fats. C) soaps. D) synthetic detergents.

Q: Another name for glucose is A) dextrose. B) malt sugar. C) sucrose. D) lactose.

Q: An advantage of synthetic detergents over soaps is that they A) do not contain sulfur. B) dissolve grease. C) do not form scum in hard water. D) are more readily biodegradable.

Q: What are the basic building blocks of proteins? A) Amino acids B) Starches C) Sugars D) Carboxylic acids

Q: Starch is a polymer that consists of long chains of ______________ units. A) lactose B) fructose C) maltose D) glucose

Q: We get sucrose and water if we chemically combine A) fructose and maltose. B) glucose and fructose. C) maltose and lactose. D) glucose and lactose.

Q: The suffix -ol in a compound's name signifies A) an enzyme. B) an amide. C) an alcohol. D) a carbohydrate.

Q: Which sugar is a chemically bonded combination of two other sugars? A) Sucrose B) Lactose C) Glucose D) Fructose

Q: Which sugar is the sweetest of all sugars? A) Sucrose B) Lactose C) Glucose D) Fructose

Q: Which sugar is found in greater than normal amounts in the blood of a diabetic? A) Sucrose B) Lactose C) Glucose D) Fructose

Q: The suffix -ose in a compound's name signifies a(n) A) amide. B) alcohol. C) carbohydrate. D) enzyme.

Q: Which of the following is nota carbohydrate? A) Maltose B) Glucose C) Fructose D) Glyceryl tristearate

Q: Which of the following is nota carbohydrate? A) Maltose B) Glycine C) Fructose D) Glucose

Q: Which of the following is a carbohydrate? A) Maltose B) Glycine C) Ribonucleic acid D) Glyceryl tristearate

Q: Which alcohol is used as an antifreeze? A) 2-Hydroxypropane B) Ethylene glycol C) Ethanol D) Methanol

Q: Which alcohol is used in rubbing alcohol? A) 2-Hydroxypropane B) Ethylene glycol C) Ethanol D) Methanol

Q: Which simplest alcohol is used in race cars as fuel? A) 2-Propanol B) Ethylene glycol C) Ethanol D) Methanol

Q: Which alcohol is used in beverages? A) 2-Propanol B) Ethylene glycol C) Ethanol D) Methanol

Q: Alcohols are distinguished by the fact that at least one hydrogen atom in a hydrocarbon has been replaced by a(n) A) carboxyl group. B) alkyl group. C) hydroxyl group. D) oxygen atom.

Q: Chlorine is notpresent in A) CFCs. B) chloroform. C) Freon-12. D) Teflon.

Q: CH3CONHCH2CH3is an example of a(n) A) amide. B) amine. C) ester. D) carboxylic acid.

Q: Cholesterol belongs to what class of organic compounds? A) Alkyl halides B) Esters C) Carboxylic acids D) Alcohols

Q: Methyl salicylate is an ester commonly called A) glycerine. B) oil of wintergreen. C) heroin. D) chloroform. E) methamphetamine.

Q: When a carboxylic acid reacts with an amine, the products are water and a(n) A) aldehyde. B) ester. C) amide. D) salt. E) ketone.

Q: When a carboxylic acid reacts with an alcohol, the products are water and a(n) A) aldehyde. B) ester. C) salt. D) amide. E) ketone.

Q: A solution of 5% acetic acid and 95% water is called A) chloroform. B) antifreeze. C) vinegar. D) gasohol. E) alcohol.

Q: Acetic acid consists of a(n) ______________ group attached to a carboxyl group. A) amino B) methyl C) hydroxyl D) ethyl

Q: CFCs are A) alcohols. B) hydrocarbons. C) alkyl halides. D) amides.

Q: Alkyl halides are distinguished by the fact that at least one hydrogen atom in a hydrocarbon has been replaced by a(n) A) alkyl group. B) OH group. C) halogen atom. D) oxygen atom. E) CH3group.

Q: What organic compound is represented by a hexagon with a circle inside? A) Cyclohexane B) Cycloheptane C) Benzene D) Ethanol E) Methane

Q: What is the molecular formula for benzene? A) C6H6 B) C6H12 C) C6H14 D) C6H8 E) None of these

Q: The most common aromatic hydrocarbon is a clear, colorless liquid named A) naphthalene. B) hexane. C) benzene. D) ethanol. E) methane.

Q: A hydrocarbon that contains one or more benzene rings must be classified as A) an alkane. B) a cycloalkane. C) aromatic. D) an alkene. E) an alkyne.

Q: A hydrocarbon that is notclassified as aromatic must be classified as A) nucleophilic. B) synthetic. C) aliphatic. D) carboxylic.

Q: 2-Bromobutane and 4-bromobutane are A) the same compound. B) neither isomers nor the same compound. C) isomers.

Q: 1-Bromobutane and 4-bromobutane are, A) the same compound. B) neither isomers nor the same compound. C) isomers.

Q: Ethene and ethane are A) isomers. B) the same compound. C) neither isomers nor the same compound.

Q: 4-Fluoroheptane and 3-fluoroheptane are A) isomers. B) the same compound. C) neither isomers nor the same compound.

Q: 4-Fluoroheptane and 5-fluoroheptane are A) isomers. B) the same compound. C) neither isomers nor the same compound.

Q: 1-Chlorobutane and 2-chlorobutane are A) isomers. B) the same compound. C) neither isomers nor the same compound.

Q: When hydrogen reacts with ethene, what is the product? A) Cycloethene B) Ethane C) Propene D) Ethyne E) Methane

Q: Which organic compound is represented by a pentagon? A) Benzene B) Cyclopentane C) Cyclopropane D) Cyclobutane E) Methane

Q: Which organic compound is represented by a triangle? A) Trianol B) Cyclopropane C) Benzene D) Cyclobutane E) Methane

Q: How many constitutional isomers that are dibromoethanes exist? A) 3 B) 4 C) 5 D) 2 E) 6

Q: How many constitutional isomers that are dibromopropanes exist? A) 5 B) 4 C) 7 D) 3 E) 6

Q: How many constitutional isomers that are trifluoroethanes exist? A) 3 B) 2 C) 4 D) 8 E) 5

Q: How many constitutional isomers that are dibromocyclopropanes exist? A) 3 B) 8 C) 4 D) 2 E) 5

Q: Which pair are actually the same compound? A) (CH3)3N and CH3CH2CH2NH2 B) CH3CH2CH(NH2)CH3and CH3CH(NH2)CH2CH3 C) CH3CH(Cl)CH3 and CH3CH2CH(Cl)CH3 D) CH3(CH2)2CH3and CH3CH2CH(CH3)2 E) CH3CH2CH2NH2and CH3CH2CH2N2H2

Q: Which pair are isomers? A) CH3CH2CH(NH2) CH3and CH3CH(NH2) CH2CH3 B) CH3CH(Cl)CH3 and CH3CH2CH(Cl)CH3 C) (CH3)3N and CH3CH2CH2NH2 D) CH3(CH2)2CH3and CH3CH2CH(CH3)2 E) CH3CH2CH(Cl)CH3 and CH3CH(NH2) CH2CH3

Q: Which of the following could be the molecular formula for an alkene? A) C10H10 B) C4H8 C) C5H9 D) C8H14 E) C9H20

Q: Which of the following could be the molecular formula for an alkene? A) C9H9 B) C4H8 C) C10H19 D) C9H16 E) C9H20

Q: Which of the following could be the molecular formula for an alkene? A) C7H7 B) C6H12 C) C3H5 D) C3H4 E) C7H16

Q: Which of the following could be the molecular formula for an alkene? A) C5H5 B) C2H4 C) C3H5 D) C2H2 E) C3H8

Q: Which of the following could be the molecular formula for an alkane? A) C3H3 B) C5H10 C) C6H11 D) C8H14 E) C7H16

Q: Which of the following could be the molecular formula for an alkane? A) C6H6 B) C6H12 C) C6H11 D) C5H8 E) C4H10