CHEM 101 | Questions with 100% Verified Answers | Latest
Update 2026/2027
Question: All of the following are reasons why chemistry is known as the
"central science", EXCEPT:
A. Many biological processes involve chemical reactions.
B. Because it intersects with and provides a basis for a variety
of other scientific disciplines.
C. Because it is crucial to understanding other scientific
concepts like energy transfer.
D. Because it was created to study all other sciences.
Answer:
Because it was created to study all other sciences.
Question: Which of the following questions is the best example of a
question that could be answered or explained by studying
chemistry?
A. Which part of the country has the most salt-water lakes?
B. What is the identity of this unknown substance?
C. What is the angle of refraction when light enters water?
D. What is the acceleration of a race car in meters/second?
Answer:
What is the identity of this unknown substance?
Question: Why is chemistry helpful in understanding how a toaster
creates the brown color and crispy texture of toast?
A. The properties of the bread molecules are changing in the
toaster.
B. The toaster uses electricity.
C. The composition and/or properties of the surface of the
toast are somehow changed by the toaster.
D. The process takes place in the atmosphere.
Answer:
C. The composition and/or properties of the surface of the toast are somehow changed
by the toaster.
,Question: Which word BEST completes the sentence below:
_________ are any substance made up of matter and can be
natural or man-made.
A. atoms
B. chemicals
C. molecules
D. elements
Answer:
B. chemicals
Question: Chemistry helps to create:
A. New mathematical equations
B. New ideas about how humans connect
C. New ways to harness renewable energy
D. New theories on spiritual connections
Answer:
C. New ways to harness renewable energy
Question: Chemistry is best defined as the study of which of the
following?
A. the properties of living organisms
B. the electrical nature of matter
C. the properties and history of the earth's physical structure
and substance
D. the properties and interactions of matter
Answer:
D. the properties and interactions of matter
Question: Which of the following are involved in the study of chemistry?
A. the motion of planets in outer space
B. the structure and function of organs in living systems
C. the interactions between energy and matter
D. The changes in the composition and structure of matter
Answer:
D. The changes in the composition and structure of matter
,Question: Many sciences are important in understanding how hormones
are synthesized in the body. Which science would a doctor be
required to have a basic knowledge of in order to understand
these chemical processes?
A. chemistry
B. biology
C. ecology
D. physiology
Answer:
A. chemistry
Question: Chemistry provides a basis for all of the following EXCEPT?
A. medicine
B. cleaning products
C. environmental science
D. astrology
Answer:
D. astrology
Question: Which field is referred to as the central science?
A. physics
B. chemistry
C. biology
D. geology
Answer:
B. chemistry
Question: Which of the following is not reliant on an understanding of
chemistry?
A. geology
B. biotechnology
C. agriculture
D. mathematics
Answer:
D. mathematics
Question: True or false: the study of science has been organized into
multiple fields, because it is too multifaceted to be studied as
a whole.
Answer:
true
, Question: Which is NOT a scientific field that is requires a knowledge of
chemistry?
A. physics
B. sociology
C. astronomy
D. biology
Answer:
B. sociology
Question: Explain why chemistry is sometimes called "The Central
Science"
Chemistry is typically studied in the central years (tenth and
eleventh grade) of a high school education.
Chemistry is the most important discipline in science.
Chemistry is highly interconnected with so many other
scientific disciplines.
Other fields of science only connect to each other through
chemistry.
Answer:
Chemistry is highly interconnected with so many other scientific disciplines.
Question: Which of the statements does not describe matter?
Matter takes up space.
Matter can exist in different phases.
Matter has mass due to its atoms.
Matter is composed of only one type of atom.
Answer:
Matter is composed of only one type of atom.
Question: Which of the following statements about the scientific method
is true?
It is a systematic approach to research.
It begins with performing an experiment.
A hypothesis is formed at the end of the the process.
The process provides the basis for the formation of laws.
Answer:
It is a systematic approach to research.
Update 2026/2027
Question: All of the following are reasons why chemistry is known as the
"central science", EXCEPT:
A. Many biological processes involve chemical reactions.
B. Because it intersects with and provides a basis for a variety
of other scientific disciplines.
C. Because it is crucial to understanding other scientific
concepts like energy transfer.
D. Because it was created to study all other sciences.
Answer:
Because it was created to study all other sciences.
Question: Which of the following questions is the best example of a
question that could be answered or explained by studying
chemistry?
A. Which part of the country has the most salt-water lakes?
B. What is the identity of this unknown substance?
C. What is the angle of refraction when light enters water?
D. What is the acceleration of a race car in meters/second?
Answer:
What is the identity of this unknown substance?
Question: Why is chemistry helpful in understanding how a toaster
creates the brown color and crispy texture of toast?
A. The properties of the bread molecules are changing in the
toaster.
B. The toaster uses electricity.
C. The composition and/or properties of the surface of the
toast are somehow changed by the toaster.
D. The process takes place in the atmosphere.
Answer:
C. The composition and/or properties of the surface of the toast are somehow changed
by the toaster.
,Question: Which word BEST completes the sentence below:
_________ are any substance made up of matter and can be
natural or man-made.
A. atoms
B. chemicals
C. molecules
D. elements
Answer:
B. chemicals
Question: Chemistry helps to create:
A. New mathematical equations
B. New ideas about how humans connect
C. New ways to harness renewable energy
D. New theories on spiritual connections
Answer:
C. New ways to harness renewable energy
Question: Chemistry is best defined as the study of which of the
following?
A. the properties of living organisms
B. the electrical nature of matter
C. the properties and history of the earth's physical structure
and substance
D. the properties and interactions of matter
Answer:
D. the properties and interactions of matter
Question: Which of the following are involved in the study of chemistry?
A. the motion of planets in outer space
B. the structure and function of organs in living systems
C. the interactions between energy and matter
D. The changes in the composition and structure of matter
Answer:
D. The changes in the composition and structure of matter
,Question: Many sciences are important in understanding how hormones
are synthesized in the body. Which science would a doctor be
required to have a basic knowledge of in order to understand
these chemical processes?
A. chemistry
B. biology
C. ecology
D. physiology
Answer:
A. chemistry
Question: Chemistry provides a basis for all of the following EXCEPT?
A. medicine
B. cleaning products
C. environmental science
D. astrology
Answer:
D. astrology
Question: Which field is referred to as the central science?
A. physics
B. chemistry
C. biology
D. geology
Answer:
B. chemistry
Question: Which of the following is not reliant on an understanding of
chemistry?
A. geology
B. biotechnology
C. agriculture
D. mathematics
Answer:
D. mathematics
Question: True or false: the study of science has been organized into
multiple fields, because it is too multifaceted to be studied as
a whole.
Answer:
true
, Question: Which is NOT a scientific field that is requires a knowledge of
chemistry?
A. physics
B. sociology
C. astronomy
D. biology
Answer:
B. sociology
Question: Explain why chemistry is sometimes called "The Central
Science"
Chemistry is typically studied in the central years (tenth and
eleventh grade) of a high school education.
Chemistry is the most important discipline in science.
Chemistry is highly interconnected with so many other
scientific disciplines.
Other fields of science only connect to each other through
chemistry.
Answer:
Chemistry is highly interconnected with so many other scientific disciplines.
Question: Which of the statements does not describe matter?
Matter takes up space.
Matter can exist in different phases.
Matter has mass due to its atoms.
Matter is composed of only one type of atom.
Answer:
Matter is composed of only one type of atom.
Question: Which of the following statements about the scientific method
is true?
It is a systematic approach to research.
It begins with performing an experiment.
A hypothesis is formed at the end of the the process.
The process provides the basis for the formation of laws.
Answer:
It is a systematic approach to research.
