CHEMISTRY 101: Comprehensive Test Bank with 100% Verified Answers – Study Guide & Practice Questions

CHEMISTRY TEST BANK QUESTIONS
AND 100% VERIFIED ANSWERS

Water H2O is an example of
A) chemical
B) solid
C) wave
D) electric charge
E) element
- answer-A

In this list, which substance can be classified as a chemical?
A) salt
B) sleep
C) cold
D) heat
E) temperature
- answer-A

One example of a chemical used in toothpaste is
A) chlorine
B) sulfur
C) carbon dioxide
D) calcium carbonate
E) sugar
- answer-D

Which of the following is not a chemical?
A) salt
B) water
C) light
D) carbon dioxide
E) sugar
- answer-C

Sodium fluorophosphate is a chemical used in toothpaste to
A) make the paste white
B) disinfect the toothbrush
C) keep the paste from spoiling
D) remove plaque




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, E) strengthen tooth enamel
- answer-E

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 plaque
E) strengthen tooth enamel
- answer-A

When a part of the body is injured, substances called _____ are released
A) aspirins
B) pain relievers
C) nitrogen oxides
D) chlorofluorocarbons
E) prostaglandins
- answer-E

Which of the following is a chemical?
A) sugar
B) heat
C) light
D) noise
E) a wave
- answer-A

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

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

One way to enhance your learning in chemistry is to
A) study a little everyday



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