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WorksheetsGen chem chapter 2
Total questions: 74
Worksheet time: 1hrs 14mins
Name
Class
Date
1.
The basic unit of mass in the metric system is the pound.
a)
False
b)
True
2.
The liter is a unit of volume in the metric system.
a)
True
b)
False
3.
The kelvin is a unit of length in the metric system.
a)
False
b)
True
4.
The number 0.0500 has four significant figures.
a)
False
b)
True
5.
The number 650 000 has two significant figures.
a)
True
b)
False
6.
The number 3.10 × 10^3 has two significant figures.
a)
False
b)
True
7.
When the measured number 0.0090 is multiplied by the measured number 87.10, the answer has two significant figures.
a)
True
b)
False
8.
When the measured number 675 is added to the measured number 87.10, the answer should be rounded to the ones place.
a)
True
b)
False
9.
A μg is larger than a mg.
a)
False
b)
True
10.
There are 1000 μg in a mg.
a)
True
b)
False
11.
A cubic centimeter is a unit of length.
a)
False
b)
True
12.
1 kilogram is the same as 1000 mg.
a)
False
b)
True
13.
1 milliliter is the same as 1000 L.
a)
False
b)
True
14.
There are 1000 cm in one meter.
a)
False
b)
True
15.
A conversion factor between mL and L is 1000 L/1 mL.
a)
False
b)
True
16.
A distance of 6.3 inches is the same as 16 cm.
a)
True
b)
False
17.
A stone that weighs 3.6 lbs has a mass of 7.9 kg.
a)
False
b)
True
18.
The density of water is 1 kg/mL.
a)
False
b)
True
19.
State the number of significant figures: 0.008 090 cm
a)
4.0
b)
3.0
20.
State the number of significant figures: 680 000 km
a)
2.0
b)
3.0
21.
State the number of significant figures: 28.050 km
a)
5.0
b)
4.0
22.
State the number of significant figures: 0.0005 L
a)
1.0
b)
2.0
23.
State the number of significant figures: 75.00 m
a)
4.0
b)
3.0
24.
State the number of significant figures: 2.043 × 10^4 mm
a)
4.0
b)
5.0
25.
State the number of significant figures: 6.1 × 10^-5 mL
a)
2.0
b)
3.0
26.
State the number of significant figures: 9.00 × 10^6 g
a)
3.0
b)
4.0
27.
The SI base unit for length is the
a)
meter.
b)
inch.
c)
millimeter.
d)
kilometer.
e)
foot.
28.
The metric unit for volume is the
a)
liter.
b)
meter.
c)
quart.
d)
pint.
e)
centimeter.
29.
Which of the following is the basic unit of mass in the SI?
a)
kilogram
b)
pound
c)
milligram
d)
microgram
e)
gram
30.
Which of the following is a measurement of mass in the metric system?
a)
kilogram
b)
milliliter
c)
centimeter
d)
Celsius
e)
meter
31.
Which of the following is a measurement of temperature in the metric system?
a)
degree Celsius
b)
degree Fahrenheit
c)
lb
d)
kilogram
e)
meter
32.
A value of 25 °C is a measurement of
a)
temperature.
b)
distance.
c)
volume.
d)
mass.
e)
density.
33.
A value of 36 mL is a measure of
a)
volume.
b)
density.
c)
mass.
d)
temperature.
e)
distance.
34.
A value of 345 cm is a measure of
a)
distance.
b)
density.
c)
mass.
d)
temperature.
e)
volume.
35.
The amount of space occupied by a substance is its
a)
volume.
b)
mass.
c)
density.
d)
weight.
e)
length.
36.
The measurement of the gravitational pull on an object is its
a)
weight.
b)
volume.
c)
mass.
d)
length.
e)
size.
37.
Significant figures are important because they indicate
a)
the certain and estimated digits in a measurement.
b)
the exact numbers in a measurement.
c)
the number of digits on a calculator.
d)
the number of measurements.
e)
the accuracy of the conversion factor.
38.
Which of the following measurements has three significant figures?
a)
0.510 m
b)
0.005 m
c)
510 m
d)
0.051 m
e)
5100 m
39.
Which of the following measured numbers contains the designated CORRECT number of significant figures?
a)
156 000 3 significant figures
b)
0.04300 5 significant figures
c)
0.00302 2 significant figures
d)
1.04 2 significant figures
e)
3.0650 4 significant figures
40.
The number of significant figures in the measurement of 45.030 mm is
a)
five.
b)
none.
c)
three.
d)
four.
e)
six.
41.
How many significant figures are in the measured number 0.00208 m?
a)
three
b)
six
c)
two
d)
four
e)
five
42.
Which of the following measurements has the same number of significant figures as the measured number 0.02030?
a)
4.006
b)
0.0067
c)
510
d)
2.03 × 10^3
e)
4600.0
43.
Which of the following examples illustrates a number that is correctly rounded to three significant figures?
a)
20.0332 grams to 20.0 grams
b)
4.05438 grams to 4.054 grams
c)
0.03954 grams to 0.040 grams
d)
103.692 grams to 103.7 grams
e)
109,526 grams to 109 500 grams
44.
A calculator answer of 423.6059 must be rounded off to three significant figures. What answer is reported?
a)
424
b)
423
c)
420
d)
423.6
e)
423.7
45.
Which of the answers for the following calculations contain four significant figures?
a)
2.543 m × 100.1942 in
b)
2 L × 2.12 qt
c)
24.95 min × 0.415 h
d)
12.000 ft × 37,000 cm
e)
24.0 kg × 11.00 lb
46.
A researcher added three samples of sodium chloride solution; the volumes were: 0.351 mL, 0.350 mL, and 0.349 mL. The total volume should be reported as
a)
1.050 mL.
b)
1.05 mL.
c)
1.0 mL.
d)
1.1 mL.
e)
1.0500 mL.
47.
When 2610 + 11.7 + 0.22 are added, which of the following expresses the answer to the correct number of decimal places?
a)
2621
b)
2621.92
c)
2621.9
d)
2620.0
e)
2600.0
48.
What is the answer, with the correct number of decimal places, for this problem? 4.392 g + 102.40 g + 2.51 g =
a)
109.30 g
b)
109.302 g
c)
109 g
d)
110 g
e)
109.3 g
49.
The correct answer for the addition of 7.5 g + 2.26 g + 1.311 g + 2 g is
a)
13 g.
b)
13.071 g.
c)
13.0 g.
d)
10 g.
e)
13.1 g.
50.
What is the correct answer for the calculation?
0.65 + 0.01
a)
0.66
b)
0.65645
c)
0.656
d)
1.52
e)
1.5
51.
5.21 cm is the same distance as
a)
0.0521 m
b)
52.1 dm
c)
5.21 mm
d)
0.00521 km
e)
5210 m
52.
Which of the following measurements are NOT equivalent?
a)
84 cm = 8.4 mm
b)
25 mg = 0.025 g
c)
183 L = 0.183 kL
d)
150. ms = 0.150 s
e)
24 dL = 2.4 L
53.
In which of the following is the metric unit paired with its correct abbreviation?
a)
milliliter / mL
b)
microgram / mg
c)
centimeter / km
d)
kilogram / cg
e)
gram / gm
54.
Which of the following is the largest unit?
a)
kilometer
b)
millimeter
c)
micrometer
d)
decimeter
e)
meter
55.
What is the relationship between grams and micrograms?
a)
1 g = 1 000 000 μg
b)
1 g = 100 μg
c)
1 g = 1000 μg
d)
1 g = 0.000 001 μg
e)
1 g = 0.001 μg
56.
How many pounds are in 3.5 kg?
a)
7.7 lb
b)
1.59 lb
c)
0.629 lb
d)
1.6 lb
e)
7.70 lb
57.
How many centimeters are there in 57.0 in.?
a)
145 cm
b)
0.0445 cm
c)
22 cm
d)
22.4 cm
e)
140 cm
58.
How many kilograms are in 30.4 lb?
a)
13.8 kg
b)
14 kg
c)
67 kg
d)
66.88 kg
e)
66.9 kg
59.
How many liters of soft drink are there in 5.25 qt?
a)
4.95 L
b)
55.7 L
c)
4950 L
d)
5.57 L
e)
5.0 L
60.
What is 6.5 m converted to inches?
a)
260 in
b)
1700 in
c)
1651 in
d)
39 in
e)
255.9 in
61.
1.00 pint of milk has a volume of how many milliliters?
a)
472 mL
b)
530. mL
c)
1000 mL
d)
1890 mL
e)
106 mL
62.
What is the volume of a cube that measures 4.00 cm on each side?
a)
64.0 mL
b)
64.00 mL
c)
16.0 mL
d)
64.0 L
e)
0.640 L
63.
Grapes are $1.49 per pound. What is the cost of 1.20 kg of grapes?
a)
3.94
b)
2.73
c)
1.79
d)
0.81
e)
0.56
64.
A driver is traveling at 60 km/h. Is the driver speeding if the speed limit is 45 mph?
a)
No
b)
Yes
65.
How many kilograms are in 30.4 lb?
a)
13.8 kg
b)
14 kg
c)
67 kg
d)
66.88 kg
e)
66.9 kg
66.
A dose of aspirin of 5.0 mg per kilogram of body weight has been prescribed to reduce the fever of an infant weighing 8.5 pounds. The number of milligrams
a)
19 mg.
b)
53 mg.
c)
1.6 mg.
d)
5.0 mg.
e)
0.59 mg.
67.
A doctor's order is 0.125 g of ampicillin. The liquid suspension on hand contains 250 mg/5.0 mL. How many milliliters of the suspension are required?
a)
2.5 mL
b)
3.0 mL
c)
0.0025 mL
d)
6.3 mL
e)
0.0063 mL
68.
A nugget of gold with a mass of 521 g is added to 50.0 mL of water. The water level rises to a volume of 77.0 mL. What is the density of the gold?
a)
19.3 g/mL
b)
10.4 g/mL
c)
6.77 g/mL
d)
1.00 g/mL
e)
0.0518 g/mL
69.
Which one of the following substances will float in gasoline, which has a density of 0.66 g/mL?
a)
balsa wood (density = 0.16 g/mL)
b)
table salt (density = 2.16 g/mL)
c)
sugar (density = 1.59 g/mL)
d)
aluminum (density = 2.70 g/mL)
e)
mercury (density = 13.6 g/mL)
70.
What is the mass of 2.00 L of an intravenous glucose solution with a density of 1.15 g/mL?
a)
2.30 kg
b)
0.023 kg
c)
1.15 kg
d)
0.015 kg
e)
0.58 kg
71.
What is the density of a substance with a mass of 45.00 g and a volume of 26.4 mL?
a)
1.70 g/mL
b)
1.7 g/mL
c)
0.59 g/mL
d)
0.587 g/mL
e)
45.0 g/mL
72.
A liquid has a volume of 34.6 mL and a mass of 46.0 g. What is the density of the liquid?
a)
1.33 g/mL
b)
1.00 g/mL
c)
0.752 g/mL
d)
1330 g/mL
e)
0.663 g/mL
73.
What is the mass of 53 mL of ethanol, which has a density of 0.79 g/mL?
a)
41.9 g
b)
67.1 g
c)
42 g
d)
67 g
e)
53 g
74.
Diamond has a density of 3.52 g/mL. What is the volume in cubic centimeters of a diamond with a mass of 15.1 g?
a)
4.29 cm³
b)
4.3 cm³
c)
0.233 cm³
d)
53 cm³
e)
53.2 cm³
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