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Introduction to General, Organic, and Biological Chemistry Printed Test Bank by Timberlake 10th Edition > Prologue > Flashcards

Prologue Flashcards

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1
Q 
Water, H20, is an example of a(n)
A. Chemical
B. solid
C. wave
D. electrical charge
E. element
A

A. Chemical

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2
Q 
In this list, which substance can be classified as a chemical?
A. salt
B. sleep
C. cold
D. heat
E. temperature
A

A. salt

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3
Q 
One example of a chemical used in toothpaste is
A. chlorine
B. sulfur
C. carbon dioxide
D. calcium carbonate
E. sugar
A

D. calcium carbonate

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4
Q 
Which of the following is not a chemical?
A. salt
B. water
C. light
D. carbon dioxide
E. sugar
A

C. light

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5
Q 
Sodium monofluorophosphate is a chemical used in toothpaste to
A. Make the past white
B. disinfect the toothbrush
C. keep the past from spoiling
D. remove plaque
E. strengthen tooth enamel
A

E. strengthen tooth enamel

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6
Q 
Chloroflurocarbons are broken down in atmosphere by
A. nitrogen dioxide
B. ozone
C. iron
D. AIDS
E. ultraviolet light
A

E. ultraviolet light

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7
Q 
When a part of the body is injured, substances called \_\_\_ are released. 
A. aspirins
B. pain relievers
C. nitrogen oxides
D. chloroflurocarbons
E. prostaglandins
A

E. prostaglandins

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8
Q 
The production of smog from the chemical NO requires
A. nitrogen
B. chlorine
C. water
D. oxygen
E. CFCs
A

D. oxygen

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9
Q 
When scientific information is used for industrial purposes, the discipline is known as
A. the scientific method
B. marketing
C. commercial
D. hypothetical
E. technology
A

E. technology

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10
Q 
Employing scientific information to develop new materials to benefit society is an example of 
A. technology
B. philosophy
C. marketing
D. sociology
E. politics
A

A. technology

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11
Q 
DDT is a type of 
A. herbicide
B. war gas
C. plant
D. insecticide
E. metal
A

D. insecticide

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12
Q

Chlorofluorocarbons are destructive to the
A. ozone produced at ground level in traffic
B. water in the upper atmosphere
C. nitrogen dioxide in smog
D. ozone layer in the upper atmosphere
E. copper in telephone wiring

A

D. ozone layer in the upper atmosphere

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13
Q 
Titanium dioxide is a chemical used in toothpaste to
A. make the paste white
B. disinfect the toothbrush
C. Keep the paste from spoiling
D. remove plague
E. strengthen tooth enamel
A

A. make the paste white

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14
Q 
The first step in the scientific method is
A. using technology
B. making observations
C. forming a hypothesis
D. doing experiments
E. proposing a theory
A

B. making observations

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15
Q 
DDT was a good pesticide because
A. it had low toxicity to animals
B. it was cheap to prepare
C. it was toxic to many insects
D. it had low toxicity to humans
E. all the above
A

E. all the above

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16
Q 
One way to enhance your learning in chemistry is to 
A. study a little every day
B. form a study group
C. go to office hours
D. be an active learner
E. all the above
A

E. all the above

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17
Q 
You notice that there is more traffic between 8 and 9 in the morning. This would be a(n) 
A. observation
B. hypothesis
C. experiment
D. theory
E. all the above
A

A. observation

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18
Q 
There is more traffic between 8 and 9 in the morning because most people start at 9. This would be a(n)
A. observation
B. hypothesis
C. experiment
D. theory
E. all the above
A

B. hypothesis

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19
Q

In order to enhance your learning in chemistry, you should not
A. study a little very day
B. form a study group
C. go to office hours
D. be an active learner
E. wait until the night before the exam to study

A

E. wait until the night before the exam to study

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20
Q 
Which of the following is a chemical?
A. sugar
B. heat
C. light
D. noise
E. a wave
A

A. sugar

21
Q

The reddish-brown color of smog is due to NO2

True or False?

A

True

22
Q

Chloroflourocarbons are broken down in the upper atmosphere to produce oxygen, O2
True or False?

A

False

23
Q

DDT is effective again poison ivy

True or False?

A

False

24
Q

The first stop in using the scientific method is usually the observation of some natural event
True or False?

A

True

25
Q

In the scientific method, a hypothesis has more data to support it than a theory.
True or False?

A

False

26
Q

Titanium dioxide in toothpaste is used as a detergent

True or False?

A

False

27
Q

A theory is confirmed after one experiment is performed.

True or False?

A

False

28
Q

Alchemists believed there were four components of nature: earth, fire, air, and water.
True or False?

A

True

29
Q

Working with a group of students can help you learn chemistry.
True or False?

A

True

30
Q

Paracelsus was a Greek philosopher

True or False?

A

False

31
Q

DDT was banned because it breaks down quickly in the environment
True or False?

A

False

32
Q

A chemical that consists of one type of matter and always has the same composition and properties is called a

A

substance

33
Q

The brown color of smog is caused by

A

nitrogen dioxide

34
Q

The use of observation and hypothesis are important steps in the

A

scientific method

35
Q

DDT is an effective pesticide against

A

insects

36
Q

A test performed to determine if a hypothesis is valid is called a(n)

A

experiment

37
Q

A hypothesis can be tested by performing a(n)

A

experiment

38
Q

Any material used in or produced by a chemical reaction is a

A

chemical

39
Q

An observation takes place when a(n) ___is noted

A

natural phenomena

40
Q

Name the steps in the scientific method

A

observation, hypothesis, experiment, theory

41
Q

When scientific principles are used to produce consumer goods, the discipline is termed

A

technology

42
Q

An abrasive used in toothpaste is

A

calcium carbonate

43
Q

When a hypothesis is supported by many experiments it becomes a

A

theory

44
Q

The science that studies the properties and composition of substances is called

A

chemistry

45
Q

In the scientific method, after data is collected, a ___is proposed which gives a possible explanation

A

hypothesis

46
Q

The substance the alchemists thought could turn metal into gold was called

A

the philosopher’s stone

47
Q

The substances released when tissues are injured are

A

prostaglandins

48
Q

Substances which prevent spoilage are called

A

antioxidants

49
Q

The chemical used to make cans and foil is

A

aluminum

Introduction to General, Organic, and Biological Chemistry Printed Test Bank by Timberlake 10th Edition (2 decks)

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