Name _______________________________ Date __________________
SOL Ch.1
1.
Study the following diagram.
What is the volume indicated?
Use the information in the data chart
and graph to answer the next three
questions.
10
9
8
Age of
Plants
(days)
Average Plant
Height:
Control
Group
(cm)
Average Plant
Height:
Experimental
Group
(cm)
1
2
3
0.7
1.5
2.5
1.0
2.2
3.7
15
7
Average
Height 10
(cm)
5
A
B
C
D
2.
. ..
0
8.2 mL
8.0 mL
7.9 mL
8 mL
What do we know about the
liquid being measured in the
graduated cylinder above?
C
D
The liquid is probably hot.
The liquid wets the glass or plastic
graduated cylinder.
The liquid does not wet the glass or
plastic graduated cylinder.
The liquid is probably not hot.
5
10
Age (days)
Experimental
Group
Control
Group
15
4.
What can be determined from
this data?
A
Plants fed plant food grew faster
than those in the control group.
At 5.5 days, the growth of both
groups of plants was constant.
The experimental group was given
more water than the control group.
The mean height of the plants in the
experimental group was
consistently greater than the height
of the control group.
B
A
B
. .. .. ..
.
...
..
..
.. .
..
C
D
3.
Which of the following is not a
symptom of someone in shock?
5.
The average plant height for the
control group was based on how
many plants?
A
B
C
D
hot skin or flushed complexion
pale or white skin
fainting or feeling faint
moist, clammy skin
A
B
C
D
10
12
2
Insufficient information is given.
_______________________________________________________________________________________________________
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1
Do not reproduce without permission. 07/15/00
Name _______________________________ Date __________________
SOL Ch.1
6.
Consider the data in question 5.
At day 7, the average plant height
for the control group is:
A
B
C
D
10.2 mm.
1.02 x 10 2 mm.
1.02 x 10 3 mm.
10.2 x 10 3 mm.
7.
9.
Conditions
A student needs to measure out
exactly 15 mL of a solution. the
appropriate piece of lab
equipment to use would be:
A
B
C
D
50 mL beaker.
100 mL Erlenmeyer flask.
1 mL pipette.
25 mL graduated cylinder.
8.
Study the diagram of the Bunsen
burner below. Which part of the
flame is the hottest?
A student collected the following
data and recorded it into the
chart below. She grew 30 pea
plants in the conditions listed.
What is incorrect about her
experimental design?
A
B
C
D
light/cold
10
food/dark
15
food/heat
14
She does not have enough trials.
She does not have a control.
She has not isolated a single
variable.
There are too many conditions.
Use the following data about the
energy content of three unknown
compounds in answering the next
three questions.
A
B
C
Trial
A
B
C
None is hotter than any other.
Joules/gram
A
1
2
3
4
5
A
B
C
D
Average Height (mm)
1432
1465
1455
1201
1476
B
C
1567
1532
1521
1321
1544
1645
1609
1666
1458
1653
10. Because there are no accepted
values, how should the data be
summarized?
A
B
C
D
in terms of absolute error
in terms of percent error
in terms of percent deviation from
the mean
None of these is appropriate.
_______________________________________________________________________________________________________
Copyright©1999, 2000 S.S. Flanagan & D.E. Mott
2
Do not reproduce without permission. 07/15/00
Name _______________________________ Date __________________
SOL Ch.1
11. What could account for the
variation in trial #4?
A
B
C
D
a random error
a systematic error
absolute error
percent error
14. A student needed to dilute some
concentrated hydrochloric acid.
How should the student do this?
A
B
C
12. Which graph would best show
the data?
D
Add distilled water directly to the
acid.
Add acid to the distilled water.
First heat the acid and then add
acid to the distilled water.
First heat the acid and then add
distilled water to the acid.
A
Temp.
Joules
B
Temp.
Joules
15. In the event of a spill of a strong
base such as NaOH, the spill
should be neutralized with which
of the following?
A
B
C
D
vinegar
distilled water
baking soda
soapy water
C
Joules
16. Consider the following data.
What can be concluded from this
data?
Trials
D
Trials
Joules
1
2
3
4
5
Trials
13. A student was heating a strip of
magnesium to a very high
temperature. Which piece of
laboratory equipment would be
the best to use for such an
experiment?
A
B
C
D
10 mL graduated cylinder
test tube
Erlenmeyer flask
crucible
A
B
C
D
Boiling Point (degrees C)
Solution “A”
Solution “B”
30.9
31.3
31.2
31.6
31.1
24.6
25.8
24.8
27.9
26.3
Solutions “A” and “B” are probably
different.
Solution “A” ’s data is inaccurate.
Solution “B” ‘s data is inaccurate.
More trials are needed for any
conclusion.
_______________________________________________________________________________________________________
Copyright©1999, 2000 S.S. Flanagan & D.E. Mott
3
Do not reproduce without permission. 07/15/00
Name _______________________________ Date __________________
SOL Ch.1
17. Consider the data above. It was
determined that an accepted
boiling point for solution “A” is
21.1 degrees Celsius. The data
collected is:
A
B
C
D
accurate but not precise.
precise but not accurate.
both accurate and precise.
neither accurate nor precise.
21. If water beads up anywhere on
the interior of volumetric
glassware, it is a sign that the
glassware:
A
B
C
D
must be replaced.
must be heated.
must be cooled.
must be cleaned.
18. Again considering the data in
above, if the accepted boiling
point for solution “B” is 25.2
degrees Celsius, what is the
percent error for trial #4?
22. When diluting a concentrated
acid, it is important to add acid to
the water, not the reverse. If
water is added directly to dilute a
concentrated acid, the water
might:
A
B
C
D
A
B
C
D
10.7%
.10%
90%
2.7%
19. A student needs to measure out
3.50 x 10-4 kg of NaCl. How many
milligrams is the sample?
A
B
C
D
3.50 x 10 -2 mg
3.50 x 10 6 mg
3.50 x 10 2 mg
3.50 x 10 3 mg
not mix properly.
splash back.
dissolve too fast.
alter the pH significantly.
23. A good rule of thumb when
designing an experiment is to:
A
B
C
D
have many variables.
have many controls.
change one variable at a time.
be very precise so repeated trials
are not needed.
20. Which piece of lab equipment is
primarily needed to perform a
titration?
A
B
C
D
thermometer
calorimeter
burette
separatory funnel
_______________________________________________________________________________________________________
Copyright©1999, 2000 S.S. Flanagan & D.E. Mott
4
Do not reproduce without permission. 07/15/00
Name _______________________________ Date __________________
SOL Ch.1
24. Consider the data chart below.
When the concentration of
hydrogen is doubled, what is the
increase in the rate of pressure
decrease?
2NO(g) + 2H2(g)
N2(g) + 2H2O(g)
(overall energy change is negative)
Initial Concentration
Rate of pressure decrease
(kPa/min)
H2(g)
NO(g)
0.0015M
0.004M
150.0
0.0030M
0.004M
300.0
0.0040M
0.002M
20.0
0.0040M
0.004M
80.0
27. Whenever you are performing a
reaction that involves toxic
fumes, you should:
A
B
C
D
wear a full face shield.
perform the reaction outside.
turn off the Bunsen burners.
perform the reaction in a hood.
28. A certain chemistry student was
performing an experiment to see
whether a balance was precise
and accurate, so he measured
the mass of a 100 g metal weight.
The data he recorded is below:
Trial
A
B
C
D
It stays the same.
It actually decreases.
It doubles.
It cannot be determined from the
data.
1
2
3
4
5
25. In diluting a solution, one can
use the formula Volume (initial)
x Molarity (initial) = Volume
(desired) x Molarity (desired). If
a student needed 50 mL of 2.5 M
solution, how many milliliters of a
4 M solution would be required?
A
B
C
D
50.0 mL
25.0 mL
31.25 mL
4.0 mL
26. Which of the following set of
equipment would be most useful
in gathering data to determine
the density of an unknown
liquid?
A
B
C
D
graduated cylinder, thermometer
thermometer, calorimeter
balance, graduated cylinder
balance, thermometer
mass in grams
101.0
101.1
100.9
100.9
101.1
When he looked at his data, he
noticed that all the values were
close together, but were all
higher than the expected value.
What can he say about the
balance?
A
B
C
D
it is accurate but not precise
it is precise but not accurate
it is neither precise nor accurate
it is both precise and accurate
29. A chemist needed to measure out
.0001 kilograms of copper (II)
nitrate from the stock bottle. How
many grams is this?
A
B
C
D
1 gram
0.1 gram
10 grams
1000 grams
_______________________________________________________________________________________________________
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5
Do not reproduce without permission. 07/15/00
Name _______________________________ Date __________________
SOL Ch.1
30. What mass is indicated?
A
B
C
D
28.0552 g
28.552 g
28.56 g
28.60 g
31. What is the uncertainty of the last
measurement?
A
B
C
D
plus or minus .05
plus or minus .005
plus or minus 0.5
plus or minus .0005
33. In the event a chemical were to
get into your eyes, which piece of
safety equipment would be most
appropriate to use?
32. When heating a test tube, it is
important to:
A
A
B
C
D
C
put a stopper on it tightly to keep
the chemicals from coming out.
heat it quickly so the glass does not
get too hot.
aim the open end away from you.
You should never heat a test tube.
B
D
_______________________________________________________________________________________________________
Copyright©1999, 2000 S.S. Flanagan & D.E. Mott
6
Do not reproduce without permission. 07/15/00
Name _______________________________ Date __________________
SOL Ch.1
34. When conducting repeated trials,
it is usually best to:
A
B
C
D
take the average of two trials.
disregard the first trial as practice.
do as many trials as time permits.
repeat trials until values are
consistent.
37. All measurements include a
degree of uncertainty. The two
values in the illustration give
measurements with different
degrees of uncertainty. What is
the appropriate reading for Ruler
B?
35. Two chemistry students recorded
the following data for the boiling
point of an ethanol and water
solution.
Trial
83.4
84.5
84.0
83.6
83.9
What is the absolute deviation
from the mean for trial #3?
A
B
C
D
.12
.50
1.2
5.0
3 cm
2 cm
2 cm
1 cm
1 cm
Ruler A
Boiling Point
(degrees C)
1
2
3
4
5
3 cm
A
B
C
D
Ruler B
2.7 + or - 0.05 cm
2.77 + or - 0.05 cm
2.77 + or - 0.01 cm
2.7 + or - 0.01 cm
38. A student wished to measure
exactly 1 liter of distilled water.
Which of the following would be
the most appropriate for this
task?
A
B
C
D
1000 mL beaker
1000 mL Florence flask
1000 mL volumetric flask
1000 mL Erlenmeyer flask
36. Place the following into scientific
notation: 0.005060
A
B
C
D
5.060 x 10 3
5.060 x 10 -3
.560 x 103
none of the above
39. What would be the best material
to use to neutralize an acid spill
on a lab countertop?
A
B
C
D
vinegar
water
salt
baking soda
_______________________________________________________________________________________________________
Copyright©1999, 2000 S.S. Flanagan & D.E. Mott
7
Do not reproduce without permission. 07/15/00
Name _______________________________ Date __________________
SOL Ch.1
40. What can be determined about a
chemical reaction from the data
and graph below?
Volume of
Hydrogen
Produced
(liters)
Mass of
Zinc Used
(grams)
2.5
0.37
2
0.73
2.0
Mass of
zinc 1.5
3
1.10
1.0
4
1.47
0.5
5
1.84
6
2.21
6
.
.
4
3
2
1
0
.
.
.
.
A
3
D
Volume of
hydrogen (L)
A
B
C
D
.
1
2
3
Volume of
hydrogen (L)
B
2
.
0
C
1
.
.
.
.
.
3.0
1
5
Mass of
zinc
41. Another substance is added to
reaction. The following graph
results. What conclusion can we
draw?
The mass of zinc used and
hydrogen production are directly
proportional.
The mass of zinc used and
hydrogen production are inversely
proportional.
The mass of zinc used and
hydrogen production are related,
but not proportional.
The mass of zinc used and
hydrogen production are unrelated.
The mass of zinc used and
hydrogen production are now
directly proportional.
The mass of zinc used and
hydrogen production are now
inversely proportional.
The mass of zinc used and
hydrogen production are now
related, but not proportional.
The mass of zinc used and
hydrogen production are now
unrelated.
42. Which of the following is NOT a
factor in uncertainty in
measurement?
A
B
C
D
limitations of the measuring
instrument
skill and care of person making
measurement
changing experimental conditions
All of these are factors in
uncertainty.
_______________________________________________________________________________________________________
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8
Do not reproduce without permission. 07/15/00
Name _______________________________ Date __________________
SOL Ch.1
43. How many significant digits are
in the measurement 0.030010
cm?
A
B
C
D
7
6
5
4
48. 705.45 L – 3.234 L =
A
B
C
D
702 L.
702.2 L.
702.216 L.
702.22 L.
49. The volume of a rectangular solid
5.0000 cm x 7.00 cm x 2.000 cm =
44. A student is to measure the
length of a book using a meter
stick which is marked every
millimeter. An acceptable
measurement is:
A
B
C
D
24.3 cm.
24.29 cm.
24.293 cm.
24.29284 m.
45. Density is defined as:
A
B
C
D
mass times volume
volume divided by mass
mass divided by volume
volume divided by mass squared
46. 0.345 centimeters is how many
kilometers?
A
B
C
D
34,500 km
0.0345 km
0.000345 km
0.00000345 km
47. 13.00 centimeters is how many
inches? (1 inch = 2.54 cm)
A
B
C
D
33.02 in
5.118 in
16.61 in
39.00 in
A
B
C
D
700 cm3.
700.0 cm3.
70.0 cm3.
70.00 cm3.
50. 4.8045 m + 0.0403 m + 13.010 m +
20.0 m =
A
B
C
D
37.9 m.
37.85 m.
37.8548 m.
37.855 m.
51. What is the scientific notation for
the number: 6,000,000,000,000 ?
A
B
C
D
6.000 x 10 -12
6.000 x 10 12
6 x 10 -12
6,000 x 10 9
52. (6.0221 x 1023 /mol) / (9.6485 x 104
C/mol) =
A
B
C
D
6.2415 x 1018 C.
6.2415 x 1019 C.
5.8100 x 1020 C.
5.8100 x 1028 C.
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Do not reproduce without permission. 07/15/00