General Chemistry
Pre-Test Questions
Course Introduction
General Chemistry provides an introduction to the fundamental principles of chemistry, including atomic and molecular structure, chemical bonding, stoichiometry, states of matter, thermochemistry, chemical equilibrium, acids and bases, and basic concepts of kinetics and electrochemistry. The course emphasizes both theoretical understanding and practical applications, incorporating laboratory experiments to reinforce key concepts and develop problem-solving and analytical skills essential for further studies in science and engineering disciplines.
Recommended Textbook
Conceptual Chemistry 5th Edition by John A. Suchocki
Available Study Resources on Quizplus
17 Chapters
2174 Verified Questions
2174 Flashcards
Source URL: https://quizplus.com/study-set/3443 Page 2
Chapter 1: About Science
Available Study Resources on Quizplus for this Chatper
65 Verified Questions
65 Flashcards
Source URL: https://quizplus.com/quiz/68383
Sample Questions
Q1) Buckminsterfullerene is a new form of carbon because ________.
A) its atoms are heavier
B) its atoms are connected differently
C) it is composed of newly formed carbon atoms
D) it also contains boron
Answer: B
Q2) When employing a new technology, zero risk ________.
A) is impossible
B) is ideal
C) is the ultimate goal of science
D) leads to zero benefit
Answer: A
Q3) The gap between two brain cells is 2.0 × 10<sup>-3</sup> nm. How many meters is this?
A) 2.0 × 10<sup>-12</sup> m
B) 2.0 × 10<sup>-6</sup> m
C) 2.0 m
D) 2.0 × 10<sup>6 </sup>m
E) 2.0 × 10<sup>-9 </sup>m
Answer: A
To view all questions and flashcards with answers, click on the resource link above. Page 3
Chapter 2: Particles of Matter
Available Study Resources on Quizplus for this Chatper
104 Verified Questions
104 Flashcards
Source URL: https://quizplus.com/quiz/68384
Sample Questions
Q1) Which of the following is generally true regarding the relationships of the density of an object and its massiveness?
A) A denser object is not necessarily always more massive.
B) There is no scientific relationship between density and massiveness.
C) The relationship between density and massiveness depends on the physical state of the object only.
D) None of the above is true.
Answer: A
Q2) Which of the following is an example of something best described as having kinetic energy?
A) a ball falling through the air
B) a boulder at the bottom of a cliff
C) a dart stuck into a dart board
D) a candy bar with 230 kilocalories
E) a log of wood in a fireplace that has not been lit
Answer: A
To view all questions and flashcards with answers, click on the resource link above.
Chapter 3: Elements of Chemistry
Available Study Resources on Quizplus for this Chatper
116 Verified Questions
116 Flashcards
Source URL: https://quizplus.com/quiz/68385
Sample Questions
Q1) Which of the following would be considered a physical property?
A) density
B) flammability
C) corrosion resistance
D) reactivity towards acid
E) oxygen sensitivity
Answer: A
Q2) Half-frozen fruit punch is always sweeter than the same fruit punch completely melted because ________.
A) the sugar sinks to the bottom
B) crystallization is a purifying process
C) the half-frozen fruit punch is warmer
D) sugar molecules are less soluble in a half-frozen solution
Answer: B
Q3) What is the difference between a compound and a mixture?
A) They both consist of atoms from different elements.
B) The way in which their atoms are bonded together.
C) One is a solid and the other is a liquid.
D) The components of a mixture are not chemically bonded together.
Answer: D
To view all questions and flashcards with answers, click on the resource link above. Page 5
Chapter 4: Subatomic Particles
Available Study Resources on Quizplus for this Chatper
146 Verified Questions
146 Flashcards
Source URL: https://quizplus.com/quiz/68386
Sample Questions
Q1) Which of the following is said to be quantized?
A) the number of eggs in an egg carton
B) the amount of water in a glass
C) the volume of air in a balloon
D) the amount of time in an hour
E) none of the above
Q2) Which of the following atoms is the smallest?
A) Br
B) Ga
C) As
D) Ca
E) K
Q3) What does the following element description actually mean? iron-57
A) iron with a mass number of 57
B) iron with an atomic number of 57
C) iron with 57 protons
D) iron with 57 neutrons
E) 57 iron atoms
To view all questions and flashcards with answers, click on the resource link above.
Chapter 5: The Atomic Nucleus
Available Study Resources on Quizplus for this Chatper
128 Verified Questions
128 Flashcards
Source URL: https://quizplus.com/quiz/68387
Sample Questions
Q1) In the 19th century the famous physicist Lord Kelvin estimated the age of Earth to be much much less than its present estimate. What information did Kelvin not have to account for his error?
A) Lord Kelvin knew only classical physics and had no knowledge of anthropological dating.
B) Lord Kelvin had no knowledge of radio waves for measuring distance and age of planets since they have not yet been introduced into science.
C) Lord Kelvin was not aware of radioactive decay, a source of energy to keep Earth warm for billions of years.
D) Lord Kelvin never gave any estimate of the age of Earth.
Q2) A neutron makes a better nuclear bullet than a proton or an electron because it
A) has the greatest mass
B) carries no electrical charge
C) can be accelerated by electromagnetic fields
D) all of the above
To view all questions and flashcards with answers, click on the resource link above.
Chapter 6: How Atoms Bond
Available Study Resources on Quizplus for this Chatper
153 Verified Questions
153 Flashcards
Source URL: https://quizplus.com/quiz/68388
Sample Questions
Q1) Which of the following is NOT an ion?
A) H<sup>+</sup>
B) Br<sup>-</sup>
C) O<sub>2</sub>
D) Mg2<sup>+</sup>
E) NO<sub>3</sub><sup>-</sup>
Q2) Atoms of nonmetallic elements form covalent bonds, but they can also form ionic bonds. How is this possible?
A) This happens when one of the bonded nonmetallic elements has a strong electronegativity.
B) It happens when one of the nonmetallic elements loses an electron to become a positive ion.
C) An ionic bond results when a nonmetallic elements loses an electron to a metallic element.
D) An ionic bond results when a nonmetallic elements gains an electron from a metallic element.
To view all questions and flashcards with answers, click on the resource link above.
Chapter 7: How Molecules Mix
Available Study Resources on Quizplus for this Chatper
157 Verified Questions
157 Flashcards
Source URL: https://quizplus.com/quiz/68389
Sample Questions
Q1) Which of the following solutions is the most dilute?
A) 0.1 liter of water with 1 gram of sugar
B) 0.2 liter of water with 2 grams of sugar
C) 0.5 liter of water with 5 grams of sugar
D) 1 liter of water with 10 grams of sugar
E) They all have the same concentration.
Q2) Why is it important to conserve fresh water?
A) There is little fresh water available to us on our planet.
B) As the human population grows, so does our need for fresh water.
C) It is expensive to purify nonpotable water.
D) all of the above
Q3) Why might a solvent like turpentine be better for removing grease and grime than water?
A) Like dissolves like.
B) Oil and grease have similar interatomic forces as the turpentine and so are more soluble.
C) Water is too polar and doesn't interact well with the nonpolar oils.
D) Oil and grease have very limited solubility in the water.
E) all of the above
To view all questions and flashcards with answers, click on the resource link above.
Page 9
Chapter 8: How Water Behaves
Available Study Resources on Quizplus for this Chatper
140 Verified Questions
140 Flashcards
Source URL: https://quizplus.com/quiz/68390
Sample Questions
Q1) From the diagram above describing the phase of water relative to temperature and pressure, is it possible for ice to transform to water vapor (sublime) without ever becoming liquid? At which point on the diagram does this occur?
A) No, water cannot sublime (become vapor from solid) without first becoming liquid.
B) Yes, water can be made to sublime. This occurs at point D on the diagram.
C) Yes, but only at the exact conditions of point B on the diagram.
D) Yes, but the diagram does not demonstrate the action of water as "dry ice."
Q2) Which of the above liquids would most likely have the greatest capillary action?
A) a
B) b
C) c
D) d
E) e
Q3) What happens to the temperature of something while it is boiling?
A) temperature stays the same
B) temperature drops
C) temperature increases
D) Boiling is a cooling process, so temperature should decrease.
E) Boiling requires energy, so the temperature should go up.
To view all questions and flashcards with answers, click on the resource link above.
Page 10
Chapter 9: How Chemicals React
Available Study Resources on Quizplus for this Chatper
150 Verified Questions
150 Flashcards
Source URL: https://quizplus.com/quiz/68391
Sample Questions
Q1) What is an exothermic reaction?
A) It is a reaction that requires heat as a reactant.
B) It is a reaction where the products have more energy than the reactants.
C) It is a reaction where there is a net adsorption of energy from a reaction.
D) all of the above
E) none of the above
Q2) What is the activation energy?
A) the minimum amount of energy to break the bonds in reactants
B) the amount of energy required to activate a phase change
C) the energy difference between the reactants and the products
D) the amount of energy required to separate reactants from the products
E) the hill
Q3) Ozone, O<sub>3</sub>, is ________.
A) a pollutant
B) a naturally occurring compound
C) an elemental material
D) all of the above
To view all questions and flashcards with answers, click on the resource link above.
11
Chapter 10: Acids and Bases in Our Environment
Available Study Resources on Quizplus for this Chatper
135 Verified Questions
135 Flashcards
Source URL: https://quizplus.com/quiz/68392
Sample Questions
Q1) According to the following reaction, which molecule is acting as a base?
H<sub>2</sub>O + H<sub>2</sub>SO<sub>4</sub> H<sub>3</sub>O<sup>+</sup> + HSO<sub>4</sub><sup>-</sup>
A) H<sub>2</sub>SO<sub>4</sub>
B) H<sub>2</sub>O
C) H<sub>3</sub>O<sup>+</sup>
D) HSO<sub>4</sub><sup>-</sup>
E) none of the above
Q2) When the hydronium ion concentration equals 10 moles per liter, what is the pH of the solution? Is the solution acidic or basic?
A) pH = 0, this is an acidic solution.
B) pH = 1, this is an acidic solution.
C) pH = -0.301, this is an acidic solution.
D) pH = 7, this is a neutral solution.
Q3) Which of the following statements is not true about a neutralization reaction?
A) Water is always formed in a neutralization reaction.
B) One molecule of acid neutralizes one molecule of base.
C) A neutralization is the reaction of a hydroxide ion with a proton.
D) All of the above are true.
E) None of the above are true.
To view all questions and flashcards with answers, click on the resource link above. Page 12
Chapter 11: Oxidations and Reductions Charge the World
Available Study Resources on Quizplus for this Chatper
138 Verified Questions
138 Flashcards
Source URL: https://quizplus.com/quiz/68393
Sample Questions
Q1) In a battery, if the following oxidation-reduction reactions takes place normally: Mn<sub>2</sub>O<sub>3</sub> + ZnO 2 MnO<sub>2</sub> + Zn
What reaction would be taking place if you were charging the battery?
A) 2 MnO<sub>2</sub> + Zn Mn<sub>2</sub>O<sub>3</sub> + ZnO
B) ZnO Zn
C) Mn<sub>2</sub>O<sub>3</sub> MnO<sub>2</sub>
D) all of the above
E) none of the above
Q2) In a battery, the following oxidation-reduction reactions are taking place: Mn<sub>2</sub>O<sub>3</sub> + ZnO 2 MnO<sub>2</sub> + Zn
What is being formed at the anode?
A) Zn
B) ZnO
C) MnO<sub>2</sub>
D) Mn<sub>2</sub>O<sub>3</sub>
E) none of the above
To view all questions and flashcards with answers, click on the resource link above.
13
Chapter 12: Organic Compounds
Available Study Resources on Quizplus for this Chatper
164 Verified Questions
164 Flashcards
Source URL: https://quizplus.com/quiz/68394
Sample Questions
Q1) Which of the above structures should be named as a hexane?
A) a
B) b
C) c
D) None of the above
Q2) Why might a high-formula-mass alcohol be insoluble in water?
A) A high formula mass alcohol would be too attracted to itself to be soluble in water.
B) The bulk of a high formula mass alcohol likely consists of nonpolar hydrocarbons.
C) Such an alcohol would likely be in a solid phase.
D) In order for two substance to be soluble in each other their molecules need to be of comparable mass.
Q3) Hydrocarbons with a carbon-carbon double bond are known as ________.
A) alkanes
B) alkenes
C) alkynes
D) aromatics
To view all questions and flashcards with answers, click on the resource link above. Page 14
Chapter 13: Nutrients of Life
Available Study Resources on Quizplus for this Chatper
138 Verified Questions
138 Flashcards
Source URL: https://quizplus.com/quiz/68395
Sample Questions
Q1) Which of the following statements describes most monosaccharides?
A) They are composed of carbon, hydrogen and oxygen with each carbon bound to at least one oxygen.
B) They are insoluble.
C) They are considered to be unsaturated compounds.
D) They are rarely found as monomers in nature.
E) all of the above
Q2) Metabolism includes ________.
A) catabolism
B) anabolism
C) cellular respiration
D) all of the above
Q3) What is the main function of the structural difference of the sugar that makes up RNA?
A) It keeps the RNA from binding tightly to DNA.
B) It allows the RNA to be easily digested by enzymes.
C) It keeps the RNA stable while it is outside the nucleus.
D) It acts as an energy source for the production of proteins.
E) all of the above
To view all questions and flashcards with answers, click on the resource link above.
Page 15
Chapter 14: Medicinal Chemistry
Available Study Resources on Quizplus for this Chatper
85 Verified Questions
85 Flashcards
Source URL: https://quizplus.com/quiz/68396
Sample Questions
Q1) Which of the following neurotransmitters would most likely be the cause or effect of the following state? secretion of digestive juices, slowed heart rate
A) dopamine
B) norepinephrine
C) acetylcholine
D) GABA
E) serotonin
Q2) A mechanism where the body recycles the chemicals produced during electrical transmission within the body is called ________.
A) re-uptake
B) recycling
C) bicycling
D) metabolism
E) combinatorial chemistry
Q3) After a neuron has pumped out sodium ions, this neuron is in ________.
A) an impulse phase
B) a resting phase
C) the synaptic phase
D) a positive electric potential
To view all questions and flashcards with answers, click on the resource link above.
Page 16
Chapter 15: Optimizing Food Production
Available Study Resources on Quizplus for this Chatper
115 Verified Questions
115 Flashcards
Source URL: https://quizplus.com/quiz/68397
Sample Questions
Q1) What would happen to a forest without the action of decomposers?
A) Many plant and animal species would likely die out.
B) Nutrients would no longer be recycled.
C) Organic debris would accumulate and block sunlight from only the tallest of plant organisms.
D) all of the above
Q2) What are the major natural sources of potassium used by plants?
A) It is extracted from rocks.
B) It is formed by atmospheric reaction of potassium and oxygen during lightning strikes.
C) It is extracted from seawater by specialized bacteria in phytoplankton.
D) all of the above
E) only A and B
Q3) How does inert organic bulk of compost help to maintain fertile soil conditions?
A) The organic bulk provides for open spaces into which the roots may grow.
B) The organic bulk adds nutrients to the soil.
C) The organic bulk provides open spaces for water and air.
D) The organic bulk decomposes into a pulp rich in nitrogen.
To view all questions and flashcards with answers, click on the resource link above. Page 17
Chapter 16: Protection Water and Air Resources
Available Study Resources on Quizplus for this Chatper
147 Verified Questions
147 Flashcards
Source URL: https://quizplus.com/quiz/68398
Sample Questions
Q1) What is the brown-colored component of smog?
A) H<sub>2</sub>SO<sub>4</sub>
B) O<sub>2</sub>
C) NO<sub>2</sub>
D) O<sub>3</sub>
E) c and d
Q2) Water consumption from all aquifers, on average, is less than the amount of water returned to the aquifer by natural processes. Why should we worry about water use?
A) The average amount does not reflect that drier areas have a harder time refilling the aquifers.
B) Because the water returned is contaminated.
C) The average amount does not take into account the water consumed during photosynthesis to make carbohydrates.
D) Water is nothing to worry about.
E) none of the above
To view all questions and flashcards with answers, click on the resource link above.
18
Chapter 17: Capturing Energy
Available Study Resources on Quizplus for this Chatper
93 Verified Questions
93 Flashcards
Source URL: https://quizplus.com/quiz/68399
Sample Questions
Q1) Why would a chain-reaction control substance that loses neutron-absorbing power as its temperature increases be dangerous?
A) Because it would start to emit protons.
B) Neutrons would start to collide with each other and that would be bad.
C) It would be unusually radioactive.
D) Unhindered neutrons would cause a meltdown.
Q2) Which of the following is the most abundant nonrenewable energy source?
A) cellulose
B) coal
C) natural gas
D) petroleum
E) none of the above
Q3) How are the greenhouse effect and passive solar heating related?
A) A material that reflects infrared light can be used to heat water.
B) A material that absorbs UV light can be used to heat water.
C) A material that absorbs infrared light can be used to heat water.
D) A material with a lot of ozone can be used to heat water.
E) all of the above
To view all questions and flashcards with answers, click on the resource link above. Page 19