Chemistry: Matter and Change

Section 4: Representing Data

Self Check Quizzes

1
The representation of data on graph that resembles a pizza is a _________.
A)circle graph
B)bar graph
C)line graph
D)inverse
2
How is the slope of a linear graph calculated?
A)slope = (y2–y1) x 100
B)slope = (x2–x1) / 100
C)slope = (x2–x1) / (y2–y1)
D)slope = (y2–y1) / (x2–x1)
3
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Look at the graph above. Which two substances are responsible for over half the chlorine in the stratosphere?
A)CFC-12 and Methyl chloride
B)HCFC-22 and CFC-11
C)Carbon tetrachloride and Methyl chloroform
D)CFC-12 and CFC-11
4
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Look at the graph above. What is the approximate magnesium content of a baked potato?
A)50 mg
B)90 mg
C)30 mg
D)10 mg
5
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/007874637x/514698/Ch02_Fig_2_16b.jpg','popWin', 'width=280,height=330,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (38.0K)</a>

Look at the graph above. What is the temperature at an elevation of 200 meters?
A)20 degrees Celsius
B)100 degrees Celsius
C)19 degrees Celsius
D)17 degrees Celsius
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