Chemistry Test Bank Questions

Chemistry Test Bank Questions


Water H2O is an example of
A) chemical
B) solid
C) wave
D) electric charge
E) element - (correct Answer) - A
In this list, which substance can be classified as a chemical?
A) salt
B) sleep
C) cold
D) heat
E) temperature - (correct Answer) - A
One example of a chemical used in toothpaste is
A) chlorine
B) sulfur
C) carbon dioxide
D) calcium carbonate
E) sugar - (correct Answer) - D
Which of the following is not a chemical?
A) salt
B) water
C) light
D) carbon dioxide
E) sugar - (correct 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
E) strengthen tooth enamel - (correct 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 - (correct 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 - (correct Answer) - E
Which of the following is a chemical?
A) sugar
B) heat
C) light
D) noise
E) a wave - (correct 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 - (correct Answer) - A
There is more traffic between 8 and 9 in the morning because most people start work