Chapter 1:
Introduction to Chemistry
Practice Test
1.
The practical use of scientific information is ___________.
a.
technology
b.
engineering
c.
applied research
d.
pure research
Hint
2.
Chemists whose specialty is determining the composition of chemicals work in the field of ________.
a.
inorganic chemistry
b.
organic chemistry
c.
physical chemistry
d.
analytical chemistry
Hint
3.
What branch of chemistry is most concerned with the study of carbon compounds?
a.
physical chemistry
b.
organic chemistry
c.
inorganic chemistry
d.
analytical chemistry
Hint
4.
A ________ can be used to help visualize microscopic structures and events.
a.
model
b.
hypothesis
c.
variable
d.
theory
Hint
5.
Ozone is found in the _____________________.
a.
troposphere
b.
stratosphere
c.
mesosphere
d.
ionosphere
Hint
6.
A judgment based upon the results of an experiment is a _____________.
a.
variable
b.
hypothesis
c.
conclusion
d.
theory
Hint
7.
Anything that has mass and takes up space is _________.
a.
pressure
b.
matter
c.
weight
d.
volume
Hint
8.
When a laboratory session ends, you must always ___________.
a.
wash your eyes in the eye-wash fountain
b.
eat or drink in the laboratory
c.
take a shower in the chemical hazard shower
d.
wash your hands
Hint
9.
Research on solubility as a factor that affects the digestion of foods in humans would be an example of ______________.
a.
fundamental research
b.
theoretical research
c.
applied research
d.
technology
Hint
10.
Two items that must be worn during any laboratory experiment are ___________.
a.
safety goggles and fire-proof mitts
b.
rubber gloves and a face shield
c.
gloves and a lab apron
d.
safety goggles and a lab apron
Hint
11.
The variable that you plan to change during the course of an experiment is ___________.
a.
the dependent variable
b.
a control
c.
the independent variable
d.
a constant
Hint
12.
In the laboratory, long hair can be a(n) ______________.
a.
eye hazard
b.
fire hazard
c.
distraction
d.
chemical hazard
Hint
13.
A tentative explanation for a series of observations is a __________.
a.
theory
b.
model
c.
hypothesis
d.
law
Hint
14.
The general term for a systematic approach used in scientific study is _______________.
a.
qualitative analysis
b.
the scientific controversy
c.
quantitative analysis
d.
the scientific method
Hint
15.
Research that is conducted for the sake of increasing fundamental knowledge is __________.
a.
theoretical research
b.
applied research
c.
pure research
d.
technology
Hint
16.
What is the name given to research that is undertaken to solve a specific problem?
a.
applied research
b.
technology
c.
pure research
d.
theoretical research
Hint
17.
What is the name given to a set of controlled observations that test a proposed explanation?
a.
hypothesis
b.
conclusion
c.
theory
d.
experiment
Hint
18.
When an explanation has been supported by many experiments, the explanation is a __________.
a.
model
b.
law
c.
theory
d.
hypothesis
Hint
19.
The study of Earth’s atmospheric ozone and the effect of chlorofluorocarbons on ozone is an example of _____________.
a.
basic research
b.
theoretical research
c.
technology
d.
applied research
Hint
20.
What is the measurement of matter whose value depends on the force of gravity?
a.
energy
b.
weight
c.
volume
d.
mass
Hint
