Chemistry for Non-Majors Textbook Exam Questions - 1151 Verified Questions

Chemistry for Non-Majors

Textbook Exam Questions

Course Introduction

Chemistry for Non-Majors is an introductory course designed to impart foundational knowledge of chemical principles to students from diverse academic backgrounds. The course emphasizes the relevance of chemistry in everyday life, exploring topics such as atomic structure, chemical bonding, reactions, energy, states of matter, and the role of chemistry in environmental issues and health. Through a mix of lectures, demonstrations, and simple laboratory experiments, students gain a practical understanding of how chemistry influences the world around them, preparing them to make informed decisions as responsible citizens and consumers. No prior chemistry experience is required.

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CHEM2 Chemistry in Your World 2nd Edition by Hogg

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19 Chapters

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Chapter 1: Living in a World of Chemistry

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Sample Questions

Q1) The smallest concentration listed below is

A) parts per million.

B) parts per trillion.

C) parts per billion.

D) parts per thousand.

Answer: B

Q2) An endeavor to provide an "ample margin of safety" to protect the public is an example of a

A) technology-based law.

B) balancing law.

C) risk management.

D) risk-based laws.

Answer: A

Q3) What is the approximate population of the world?

A) 6,000,000 people

B) about 3 billion people

C) over 6,000,000,000 people

D) 2,000,000 people

Answer: C

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Page 3

Chapter 2: The Chemical View of Matter

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Sample Questions

Q1) Which mixture is heterogeneous?

A) salt and water

B) water and oil

C) sweetened hot tea

D) Ivory soap bar

Answer: B

Q2) Alfred Nobel ____________?

A) discovered dynamite

B) proposed the metric system

C) developed the STM, scanning tunneling microscope

D) discovered kinetic energy

Answer: A

Q3) How does the known number of nonmetals compare to that of metals?

A) There are fewer metals.

B) There are an equal number of each.

C) There are fewer nonmetals.

D) This cannot be predicted because not all metals and nonmetals have been discovered.

Answer: C

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Page 4

Chapter 3: Atoms and the Periodic Table

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Sample Questions

Q1) Which of the following elements has five valence electrons?

A) Be

B) F

C) P

D) Xe

Answer: C

Q2) Two atoms which have the same atomic number but different mass numbers are called

A) sisters.

B) neutrinos.

C) allotropes.

D) isotopes.

Answer: D

Q3) Which of the following elements is a nonmetal?

A) potassium

B) copper

C) sulfur

D) lithium

Answer: C

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Page 5

Chapter 4: The Air We Breathe

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Sample Questions

Q1) Which is not necessary for photochemical smog?

A) sulfur dioxide

B) sunlight

C) free radicals

D) nitrogen dioxide

Q2) Which source is responsible for the greatest NOx emissions in the United States?

A) lightning

B) biomass burning

C) fossil fuel combustion

D) microbial activity in soil

Q3) Which of the following is not considered an air pollutant?

A) water vapor

B) ozone

C) nitric oxide

D) sulfur dioxide

Q4) Nitrogen and oxygen are the most abundant gases in the atmosphere.

A)True

B)False

Q5) The troposphere is labeled with the number______.

Q6) A temperature of -60 °C would most likely be found near the number______.

Page 6

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Chapter 5: Chemical Bonding and States of Matter

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Sample Questions

Q1) Which of the following has bond a angle of 180° between atoms?

A) CH₄

B) SO₃

C) H₂O

D) CO₂

Q2) There are ____ electrons in the covalent bond between C and O in CO.

A) 2

B) 4

C) 6

D) 8

Q3) Of the following, which is the strongest bond?

A) C:C, single bond

B) C::C, double bond

C) C:::C, triple bond

D) All are of equal strength.

Q4) Which of the following substances has polar covalent bonds?

A) CaF₂

B) KBr

C) NH₃

D) CH₄

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Chapter 6: Carbon Dioxide and the Greenhouse Effect

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Sample Questions

Q1) Which arrow or sets of arrows represents the cause of global warming?

A)A

B)B

C)C

D)D

Q2) How are carbon dioxide concentrations determined from thousands of years ago?

A) analysis of decayed plant material

B) analysis of ice samples

C) analysis of the atmosphere

D) analysis of the Earth's core

Q3) What does a plant covert carbon dioxide into during photosynthesis?

A) sugar

B) water

C) carbon monoxide

D) methane

Q4) Which molecule will absorb infrared radiation?

A) oxygen

B) methane

C) nitrogen

D) argon

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Chapter 7: Chlorofluorocarbons and the Ozone Layer

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Sample Questions

Q1) In the past, which of the following was not a source of atmospheric CFCs?

A) air-conditioning

B) aerosol sprays

C) refrigerants

D) blown foams

E) All of the above have been sources of atmospheric CFCs.

Q2) Ozone-depleting substances typically contain which of the following elements?

A) oxygen

B) sulfur

C) nitrogen

D) chlorine

Q3) What does the Chapman cycle illustrate?

A) the formation and destruction of water

B) the formation and destruction of carbon dioxide

C) the formation and destruction of nitrogen dioxide

D) the formation and destruction of ozone

Q4) A reaction that would serve to decrease the amount of oxygen is reaction

Q5) The reaction requiring a photon of the longest wavelength is reaction ______.

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Chapter 8: Chemical Reactivity: Chemicals in Action

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Sample Questions

Q1) What factors determine the rate of a reaction?

A) nature of reactants

B) concentration of reactants

C) activation energy

D) all of these

Q2) The reactants are represented by the letter _______.

Q3) The three R's of waste prevention include

A) reuse products as much as possible.

B) recycle materials as much as possible.

C) reduce the amount of waste as much as possible.

D) all of the above

Q4) How does changing concentration effect the rate of a chemical reaction?

A) Increasing the concentration of a reactant will increase the reaction rate.

B) The concentration has very little effect on reaction rates.

C) The reaction rate increases only when all reactant concentrations are increased.

D) Increasing the concentration of products increases reaction rates.

Q5) E_act is represented by the letter_______.

Q6) E_reaction is represented by the letter ________.

Q7) The products of the reaction are presented by the letter________.

Page 10

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Chapter 9: Acid-Base Reactions

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Sample Questions

Q1) Carbonic acid, H₂CO₃(aq) is present in A) eye drops.

B) milk.

C) carbonated beverages.

D) vinegar.

Q2) A base is

A) an OH^- ion donor.

B) a hydrogen ion donor.

C) a substance like magnesium hydroxide, Mg(OH)₂.

D) both a and c

Q3) The symbol, M, related to concentration of solution, refers to A) much meaning a very concentrated solution.

B) molal concentration.

C) moles of solute dissolved in one liter of solution.

D) mixed meaning the solution has been stirred well.

Q4) KOH and NaOH are both bases but NaOH is a weak base while KOH is a strong base.

A)True

B)False

Q5) A solution with a pH of 5.05 is ___________.

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Chapter 10: Oxidation-Reduction Reactions

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Sample Questions

Q1) Which of the following equations represents the reduction of carbon?

A) C + 2 H₂ \(\to\) CH₄

B) C + O₂ \(\to\) CO₂

C) 2 C + O₂ \(\to\) 2 CO

D) C²⁺ \(\to\) C⁴⁺ + 2e^-

Q2) Which one of the following will not combine with oxygen?

A) nitrogen

B) aluminum

C) hydrogen

D) helium

Q3) PbSO₄, Pb, and H₂SO₄ are chemicals in

A) dry cell

B) primary battery

C) salt bridge

D) automobile battery

Q4) The substance oxidized in an oxidation reduction reaction serves as the reducing agent by losing electrons.

A)True

B)False

Q5) Oxidation occurs in compartment _____.

Page 12

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Chapter 11: Water, Water Everywhere but Not a Drop to Drink

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Sample Questions

Q1) Which process is not used by nature to purify natural water?

A) distillation

B) chlorination

C) sedimentation

D) aeration

Q2) What percentage of the human body is water?

A) 10%

B) 40-50%

C) 70%

D) 98%

Q3) How much heat is required to heat 25 g of liquid water from 20S1U1P1\(\circ\)S1S1P0C to 100S1U1P1\(\circ\)S1S1P0C?

A) 25 cal

B) 1000 cal

C) 2000 cal

D) 13500 cal

Q4) Precipitation with a pH of 8.0 would classify as acid rain.

A)True

B)False

Q5) The source of water for "G" is region labeled by the letter_____.

Page 13

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Chapter 12: Energy and Hydrocarbons

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Sample Questions

Q1) Which is a characteristic feature of alkenes?

A) general formula of C_nH_{2n + 2}

B) tetrahedral geometry

C) unsaturated

D) hydrocarbons which contain only single bonds

Q2) Which of the following will not improve the octane rating of a gasoline?

A) increasing the percentage of branched-chain hydrocarbons

B) increasing the percentage of aromatic hydrocarbons

C) increasing the percentage of straight-chain hydrocarbons

D) adding octane enhancers

Q3) Which alcohol is called wood alcohol?

A) ethanol

B) isopropyl alcohol

C) 1-propanol

D) methanol

Q4) Which fossil fuel has a molecular structure containing cyclic hydrocarbons?

A) coal

B) liquid propane

C) natural gas

D) none of these

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Chapter 13: Nuclear Changes and Nuclear Power

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Sample Questions

Q1) Which is true about fusion?

A) Very high temperatures are required.

B) Fusion occurs in a plasma of charged particles.

C) Fusion produces fewer radioactive byproducts.

D) All statements are true.

Q2) Cobalt-60

A) is used to treat cancerous tumors.

B) decays to both beta particles and gamma rays.

C) is a relatively stable isotope.

D) All of the above characterize cobalt-60.

Q3) Which of the following characterizes a gamma ray?

A) is more penetrating than a alpha ray

B) is attracted to the positively charged plate in an electric field

C) is composed of electrons

D) is not deflected by an electric field

E) Two of the above are correct.

Q4) The mass numbers of stable isotopes are always twice as large (or larger) than the atomic number.

A)True

B)False

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Chapter 14: Organic Chemicals and Polymers

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Sample Questions

Q1) Ethylene glycol, a dialcohol, is the main ingredient in A) tobacco humectants.

B) antifreeze.

C) denaturated alcohol.

D) gasohol.

Q2) Which of the following is an incorrect pairing between the given formula and the type of functional group?

A)

CH₂=CHCH₂CH₂CH₂CH₂ CH₂CH₃, alkene

B) CH₃OCH₃, amine

C) CH₃CH₂OH, alcohol

D) (CH₃)₂CO, ketone

Q3) The discovery of nylon is l935 was made by which DuPont employee listed below?

A) W. Carothers.

B) S. Kwolek.

C) L. Baekeland.

D) C. Goodyear.

Q4) This substance could react with an amine to form a(n) ________bond.

Q5) This substance would have a pH________than 7.

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Q6) The type of functional group shown is this structure is called a_______________.

Chapter 15: The Chemistry of Life

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Sample Questions

Q1) Substances with solubility properties similar to those of fats and oils (dissolve in nonpolar solvents) are

A) fatty acids.

B) bile salts.

C) lipids.

D) nucleic acids.

Q2) Glucose and sucrose are two of the most common monosaccharides.

A)True

B)False

Q3) Which is not true about proteins?

A) polypeptides

B) condensation polymers

C) repeating units are amino acids

D) constituent of genes

Q4) When monosaccharides such as D-glucose are joined to form the polysaccharide starch, at each bond between two monosaccharides,

A) a water molecule hydrogen bonds the two monomers together.

B) there is a peptide bond.

C) there is a hydrated carbon atom.

D) a water molecule is split out.

Page 17

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Chapter 16: Nutrition: the Basis of Healthy Living

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Sample Questions

Q1) Beneath the heavy line on nutritional labels there are mandatory listings. Which of the following is one of these substances?

A) vitamin C

B) vitamin A

C) calcium

D) iron

E) All of these substances are mandatory in the listing.

Q2) Which of the following list contains the abbreviation for "good" cholesterol and describes its function?

A) LDL, transports cholesterol to arteries

B) HDL, transports cholesterol to arteries

C) LDL, transports cholesterol to liver for excretion

D) HDL, transports cholesterol to liver for excretion

Q3) Which of the following is a water-soluble vitamin?

A) vitamin C

B) vitamin A

C) vitamin E

D) vitamin K

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Chapter 17: Chemistry and Medicine

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Sample Questions

Q1) The Drug Enforcement Administration controls sale, use, and distribution of

Q2) The addition of sodium pyrophosphate to toothpaste is for the purpose of

A) removing tartar.

B) removing plaque.

C) detergent.

D) minimize cavities.

Q3) Beta-blockers are used for which of the following diseases or conditions?

A) heart disease

B) treatment of cancer

C) depression

D) drug addiction

Q4) Crack cocaine is formed from cocaine by an oxidation reduction reaction and the product is more addictive than the reactant.

A)True

B)False

Q5) A noreprinephrine excess may be involved in the biochemistry of mental depression.

A)True

B)False

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Chapter 18: The Chemistry of Useful Materials

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Sample Questions

Q1) Which mineral is likely to be used in cement and wallboard?

A) oxides

B) silicates

C) sulfates

D) Oxides

Q2) A common element used in many semiconductors is

A) silicon.

B) sodium.

C) silver.

D) carbon.

Q3) The p-type of semiconductor is generally

A) silicon doped with a Group 5 element.

B) silicon doped with a Group 14 element.

C) germanium doped with an element from Group 14.

D) silicon doped with an element from Group 13.

Q4) Arsenic, As, which has five valence electrons can be used in doping to product an n-type semiconductor.

A)True

B)False

Q5) Selenium could be used as the dopant indicated by the letter______.

Page 20

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Chapter 19: Feeding the World

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Sample Questions

Q1) Which genetically modified food crop is one of the most widely planted?

A) tomato

B) strawberry

C) soybean

D) avocado

Q2) Carbon is classified as a mineral nutrient while nitrogen is classified as a nonmineral secondary nutrient.

A)True

B)False

Q3) A "sweet" soil is one that

A) is slightly acidic.

B) has a pH = 7.

C) contains sufficient oxygen.

D) is slightly basic.

Q4) Which of the following is a persistent pesticide?

A) DDT

B) malathion

C) carbaryl

D) Pirimicarb

Q5) Crop rotation would be an example of ___________________.

Page 21

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