General Chemistry Exam Bank
Course
Introduction
General Chemistry introduces students to the fundamental principles of chemistry, including the structure and properties of matter, atomic theory, chemical bonding, stoichiometry, states of matter, thermochemistry, and the basics of solutions and chemical reactions. The course also covers essential concepts such as equilibrium, kinetics, acids and bases, and redox processes. Emphasizing both theoretical understanding and practical application, General Chemistry provides a strong foundation for further study in the sciences, incorporating laboratory experiments and problem-solving exercises to reinforce key concepts and develop scientific reasoning skills.
Recommended Textbook
Chemistry For Changing Times 14th Edition by
John W. Hill
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22 Chapters
2966 Verified Questions
2966 Flashcards
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Page 2
Chapter 1: Chemistry
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167 Verified Questions
167 Flashcards
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Sample Questions
Q1) The melting point of a compound is 2400 K.What is this temperature on the Celsius scale?
A)2673°C
B)2300°C
C)2188°C
D)2127°C
Answer: D
Q2) When doing a risk-benefit analysis and determining DQ,which situation is often the most difficult to evaluate from both an individual and societal perspective?
A)small benefit and high risk
B)large benefit and high risk
C)large benefit and low risk
D)All are equally difficult to evaluate.
Answer: B
Q3) Mass is a measure of the amount of matter in an object.
A)True
B)False
Answer: True
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Chapter 2: Atoms
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Sample Questions
Q1) During a chemical reaction,matter can neither be created nor destroyed.
A)True
B)False
Answer: True
Q2) Perhaps the greatest triumph of Mendeleev's periodic table was
A)the use of rows and columns to organize the elements.
B)the ability to predict electron configurations of elements.
C)the use of atomic numbers as an organizing criterion.
D)the prediction of the existence of undiscovered elements.
Answer: D
Q3) If drops of water are subdivided to the ultimately smallest drops possible,what is the smallest particle of water that retains the chemical and physical properties of water?
A)molecule
B)mixture
C)atom
D)micron
Answer: A
Q4) Describe what happens in a chemical reaction.
Answer: The arrangement of atoms changes.
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Chapter 3: Atomic Structure
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190 Flashcards
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Sample Questions
Q1) Which statement comparing chemical and nuclear properties of isotopes is correct?
A)Isotopes have similar chemical and nuclear properties.
B)Isotopes have different chemical and nuclear properties.
C)Isotopes have different chemical properties, but generally the same nuclear properties.
D)Isotopes generally have the same chemical properties, but often different nuclear properties.
Answer: D
Q2) All noble gases have ________ valence electrons.
A)three
B)five
C)seven
D)eight
Answer: D
Q3) Beryllium has properties that are typical of the alkaline earth metals family.
A)True
B)False
Answer: True
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Page 5
Chapter 4: Chemical Bonds
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Sample Questions
Q1) The best description of the shape of an ammonia molecule is A)linear.
B)bent.
C)trigonal pyramidal.
D)tetrahedral.
Q2) Write the electron dot symbol for carbon.
Q3) When a fluorine atom reacts with a chlorine atom,the bond that forms between them should be A)ionic.
B)polar covalent.
C)nonpolar covalent.
D)ionic covalent.
Q4) The formula of aluminum oxide is A)AlO.
B)AlO .
C)AlO .
D)Al O .
Q5) What is the formula of copper(I)sulfide?
Q6) Draw the electron dot formula for carbon monoxide,CO.
Q7) What is the name of the compound with the formula N O ?
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Chapter 5: Chemical Accounting
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103 Verified Questions
103 Flashcards
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Sample Questions
Q1) Acetylene (C H )burns in pure oxygen with a very hot flame.The products of this reaction are carbon dioxide and water.How much oxygen is required to react with 52.0 g of acetylene?
A)32.0 g
B)52.0 g
C)160.g
D)240.g
Q2) When the equation below is balanced,the coefficient of the product is:
Q3) The percent atom economy is a measure of the proportion of the reactant atoms that become part of the desired product.
A)True
B)False
Q4) Balance the equation: C H + O CO + H O
Q5) Balance the equation: C H + O CO + H O
Q6) Balance the equation: AlCl + H SO Al (SO ) + HCl.
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Chapter 6: Gases, Liquids, Solids, and Intermolecular Forces
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80 Flashcards
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Sample Questions
Q1) In a solution,the solvent is
A)present in larger amount than the solute is.
B)dissolved in the solute.
C)always water.
D)always nonpolar.
Q2) In the ideal gas law equation,PV = nRT,R is known as
A)the pressure.
B)a radian.
C)the universal gas constant.
D)a revolution.
Q3) At STP,1 mole of oxygen gas,O ,will have a mass of A)16.0 g.
B)22.4 g.
C)28.0 g.
D)32.0 g.
Q4) At STP,22.4 liters of nitrogen gas,N ,will have a mass of A)14.0 g.
B)22.4 g.
C)28.0 g.
D)35.0 g.
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Chapter 7: Acids and Bases
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Sample Questions
Q1) A nonmetal oxide is called a(n)
A)acidic anhydride.
B)basic anhydride.
C)neutral compound.
D)salt.
Q2) In the balanced chemical reaction for the neutralization of calcium hydroxide with nitric acid,HNO ,the coefficient of nitric acid is A)3)
B)2)
C)1) D)4)
Q3) What is the formula for calcium hydroxide?
A)CaOH
B)Ca OH
C)Ca(OH)
D)CaOH
Q4) Antacids are basic compounds.
A)True
B)False
Q5) The cheapest base is ________.
Page 9
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Chapter 8: Oxidation and Reduction
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Sample Questions
Q1) Every reduction reaction MUST be accompanied by A)an oxidation reaction.
B)formation of ionic bonds. C)formation of triple bonds.
D)formation of oxygen.
Q2) The "white" areas in a black-and-white "positive" print contain A)silver metal.
B)no silver metal. C)fixer.
D)silver salts.
Q3) This compound is a powerful oxidizing agent and a harmful pollutant; yet a layer of it in the upper stratosphere serves as a shield from harmful ultraviolet radiation from the sun.
A)CO
B)O
C)SO
D)O (ozone)
Q4) Over 20 billion kg of pure oxygen are produced industrially in the United States each year.The source of this oxygen is ________.
Q5) The air that we breathe is composed of approximately ________% oxygen by volume.
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Chapter 9: Organic Chemistry
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186 Flashcards
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Sample Questions
Q1) The general formula for a carboxylic acid is A)ROR'.
B)RCOOH.
C)RCOR'.
D)RCOOR'.
Q2) A phenol has a(n)________ group attached to a benzene ring.
A)amino
B)carbonyl
C)carboxyl
D)hydroxyl
Q3) When carbon tetrachloride reacts with hot water it produces phosgene (COCl ).Phosgene was used in poison-gas warfare in World War I.Based upon this chemistry,carbon tetrachloride is no longer used in A)fire extinguishers.
B)anesthetics.
C)chemical reactions.
D)toilet bowl cleaners.
Q4) A compound that contains a -NH group is an amine.
A)True
B)False
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Chapter 10: Polymers
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Sample Questions
Q1) Vulcanization makes rubber
A)hard.
B)sticky.
C)soft.
D)less elastic.
Q2) Wool and silk are examples of which type of naturally occurring polymer?
A)cellulose
B)polyesters
C)nucleic acids
D)proteins
Q3) Vulcanization of rubber was discovered by
A)Charles Goodrich.
B)Charles Goodyear.
C)Charles Firestone.
D)Charles Vulcan.
Q4) A polymer that conducts electricity is A)polyacetylene.
B)polyethylene.
C)polyvinyl chloride.
D)polystyrene.
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Chapter 11: Nuclear Chemistry
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122 Flashcards
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Sample Questions
Q1) One way to decrease the volume of waste from spent nuclear rods is to dissolve the rods in ethanol.
A)True
B)False
Q2) Which of the following particles has a mass of 1 amu and a charge of 0?
A)neutron
B)proton
C)electron
D)positron
Q3) Strontium-90 from nuclear fallout is a potential major long-term human health threat because
A)it is chemically similar to calcium, has a relatively long half-life, and is incorporated into bone.
B)it is chemically similar to calcium, has a relatively short half-life, and is incorporated into breast milk.
C)it is chemically similar to sodium, has a relatively long half-life, and collects in the liver.
D)it is chemically similar to sodium, has a relatively short half-life, and collects in the heart.
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13
Chapter 12: Chemistry of the Earth
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106 Flashcards
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Sample Questions
Q1) The organic portion of the lithosphere contains
A)soil and fossilized materials.
B)water.
C)minerals.
D)rocks.
Q2) Which of the following has the highest recycling rate?
A)plastic soft drink bottles
B)steel food cans
C)glass bottles
D)aluminum cans
Q3) Glass can be colored because of the addition of ________ compounds to make a green color.
A)magnesium
B)chromium
C)lithium
D)zinc
Q4) Quartz is pure silicon dioxide.
A)True
B)False
Q5) List two additional important metals,not including Fe,Cu and Al,and their uses.
Page 14
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Chapter 13: Air
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Sample Questions
Q1) Carbon sequestration involves the removal of CO from the atmosphere and its subsequent storage in underground reservoirs.
A)True
B)False
Q2) With respect to reactivity,oxygen is best classified as A)highly reactive.
B)somewhat reactive.
C)relatively unreactive.
D)comparable to helium in its reactivity.
Q3) Commercial airplanes fly in the A)biosphere.
B)stratosphere.
C)troposphere.
D)ionosphere.
Q4) Radon is released from soil and rock where it is produced because radon is a A)gas.
B)liquid.
C)solid. D)plasma.
Q5) What are the major industrial sources of acid rain?
Page 15
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Chapter 14: Water
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117 Flashcards
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Sample Questions
Q1) Which substance is likely to be produced when the dissolved oxygen in a lake is depleted?
A)methane
B)hydrogen
C)nitrite
D)bicarbonate
Q2) About ________ of the world's fresh water supply is used in agriculture.
A)10%
B)45%
C)85%
D)70%
Q3) What percentage of public water supplies in the United States do NOT meet one or more of the EPA water standards?
A)1 %
B)25 %
C)10 %
D)70 %
Q4) Describe how water is capable of moderating the temperature of the Earth.
Q5) Why is it virtually impossible to find pure water on Earth?
Q6) Water has a relatively ________ heat capacity.
Page 16
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Chapter 15: Energy
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182 Flashcards
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Sample Questions
Q1) The main components of petroleum are A)hydrocarbons.
B)carbohydrates.
C)fats and oils.
D)ionic compounds.
Q2) How many joules of energy will a stock tank heater rated at 400 watts use in a 48 hour period?
A)400
B)400 × 48 × 60
C)400 × 3600
D)400 × 48 × 3600
Q3) Consider the following EROEI values for different fuel processes.Which would result in the greatest increase in CO emissions?
A)17:1
B)35:1
C)5:1
D)2:1
Q4) Fuels are ________ forms of matter.The energy content of fuels is released by
Q5) Define a fuel.Give an example.Include a balanced chemical reaction.
Page 17
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Chapter 16: Biochemistry
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141 Flashcards
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Sample Questions
Q1) Using biochemical methods to make products has many advantages over more traditional methods.Which of the following is NOT an advantage of biochemical methods?
A)Reactions frequently use water as a solvent, and water is nontoxic and nonflammable.
B)Nonpolar products are difficult to separate from a water solvent.
C)Most biochemical reactions are carried out at mild temperatures and atmospheric pressure.
D)Enzymes can be used repeatedly to catalyze the formation of many molecules and thus generate little waste.
Q2) Chloroplasts in plants convert
A)light energy into heat energy.
B)light energy into electrical energy.
C)light energy into chemical energy.
D)heat energy into chemical energy.
Q3) The mass of iodine that is consumed by 100 g of a fat or oil is known as the
A)fat replacement number.
B)iodine number.
C)oil replacement number.
D)saturation number.
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Page 18
Chapter 17: Food
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Sample Questions
Q1) Dietary supplements are regulated as foods rather than as drugs. A)True B)False
Q2) Banning food additives would result in a safer food supply. A)True B)False
Q3) Explain why it is more likely that a child will suffer from a deficiency of vitamin A as opposed to an adult.
Q4) Proteins are polymers of A)glucose.
B)amino acids.
C)maltose. D)fructose.
Q5) Ketosis is a condition that develops during A)starvation. B)overeating.
C)exercise. D)stress.
Q6) What is arteriosclerosis? Why does it often lead to heart attack or stroke?
Q7) Explain why meat is an inefficient source of protein.
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Chapter 18: Drugs
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Sample Questions
Q1) The discovery of opiate receptors in the human brain led to the discovery of A)amphetamines.
B)barbiturates. C)endorphins.
D)LSD.
Q2) In small doses,barbiturates act as A)stimulants. B)sedatives.
C)analgesics. D)poisons.
Q3) Both isomeric forms of drugs that exist as stereoisomers are equally effective in treatment.
A)True B)False
Q4) Viruses are usually composed of combinations of A)carbohydrates and nucleic acids. B)proteins and nucleic acids.
C)fats and proteins.
D)proteins and carbohydrates.
Q5) Is insulin a protein or a steroid?
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Chapter 19: Fitness and Health
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Sample Questions
Q1) A mineral that is needed in the body is
Q2) A person who diets many times and regains the weight has a more difficult time losing weight the next time he/she diets.
A)True
B)False
Q3) If insufficient oxygen is available to muscles during energy conversion,the by-products of energy production are water and A)pyruvic acid.
B)lactic acid.
C)carbon dioxide.
D)ATP.
Q4) Which of the following foods shows evidence of having anticancer activity?
A)cabbage
B)tomatoes
C)onions
D)celery
Q5) Use pole vaulting as an example of how the chemistry of sports materials has enhanced athletic performance.
Q6) The only way to lose weight is to increase ________ and/or decrease ________.
Page 21
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Chapter 20: Chemistry Down on the Farm
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Sample Questions
Q1) In modern societies,70% of human energy is used to produce food.
A)True
B)False
Q2) More nitrogen is fixed by lightning than by bacteria.
A)True
B)False
Q3) An experimental pesticide with a very specific action that is harmless to humans and other animals and completely biodegradable is
A)diazinon.
B)parathion.
C)chlorpyrifos.
D)a viral pesticide.
Q4) Which of the following statements about humus is NOT correct?
A)Humus aids in water retention.
B)Humus both increases the loss of nutrients through leaching and increases erosion.
C)Humus is a dark-colored material consisting of partially decayed plant or animal matter.
D)Humus provides a good environment for earthworms.
Q5) As the LD of a substance decreases,the toxicity of the substance ________.
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Chapter 21: Household Chemicals
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Sample Questions
Q1) Depilatories contain a strong base which can destroy peptide bonds in hair.
A)True
B)False
Q2) Cationic surfactants are not good detergents but are used mainly for their ________ action.
A)cleaning
B)menthol
C)germicidal
D)darkening
Q3) Which of the following is NOT an advantage of soap? Soap is A)biodegradable.
B)derived from renewable resources.
C)an excellent cleaner in hard water.
D)relatively nontoxic.
Q4) Which is NOT a cosmetic?
A)antidandruff shampoo
B)lipstick
C)blush
D)perfume
Q5) What is the difference between a skin cream and a skin lotion?
Page 23
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Chapter 22: Poisons
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Sample Questions
Q1) The antidote for mercury poisoning is A)atropine.
B)nicotine.
C)BAL.
D)coniine.
Q2) The organ most used for the detoxification of poisons in the human body is the A)liver.
B)gall bladder.
C)small intestine.
D)mouth.
Q3) The carcinogenic hydrocarbons produced during the incomplete burning of organic materials are known as A)aromatic hydrocarbons.
B)styrene.
C)polycyclic aromatic hydrocarbons.
D)cycloalkanes.
Q4) What type of damage do all corrosive poisons cause to living tissue?
Q5) Most carcinogens occur naturally.
A)True
B)False
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