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WorksheetsChemistry Measurement Review
Total questions: 32
Worksheet time: 22mins
Name
Class
Date
1.
When a test instrument is calibrated, does its accuracy, precision, or reliability improve?
a)
precision
b)
accuracy
c)
reliability
d)
all of the above
2.
What is the density of an object having a mass of 8.0 g and a volume of 25 cm3?
a)
0.32 g/cm3
b)
3.1 g/cm3
c)
200 g/cm3
d)
2.0 g/cm3
3.
What is the metric system prefix for the quantity 0.000 001?
a)
deci
b)
micro
c)
centi
d)
kilo
4.
How many significant figures are in the measurement 40,500 mg?
a)
four
b)
five
c)
three
d)
two
5.
Which of the following equalities is NOT correct? Use the table behind this question to help you.
a)
100 cg = 1 g
b)
10 kg = 1g
c)
1 cm3 = 1 mL
d)
1000 mm = 1 m
6.
What is the quantity 0.0075 meters expressed in centimeters? Use the table behind this question to help you.
a)
70.5 cm
b)
7.5 cm
c)
0.075 cm
d)
0.75 cm
7.
Which group of measurements is the most precise? (Each group of measurements is for a different object)
a)
2.0 g, 3.0 g, 4.0 g
b)
1 g, 3 g, 5 g
c)
2 g, 2.5 g, 3 g
d)
2 g, 3 g, 4 g
8.
In the measurement 0.503 L, which digit is the estimated digit?
a)
5
b)
3
c)
the 0 immediately to the left of the 3
d)
the 0 t the left of the decimal point
9.
What is the temperature -34oC expressed in kelvins?
a)
139 K
b)
239 K
c)
339 K
d)
207 K
10.
Which temperature scale has no negative temperatures?
a)
Joule
b)
Fahrenheit
c)
Kelvin
d)
Celsius
11.
The weight of an object _____.
a)
depends on its location
b)
is always the same
c)
is not affected by gravity
d)
is the same as its mass
12.
What is the SI unit of mass?
a)
joule
b)
candela
c)
liter
d)
kilogram
13.
What is the result of adding 2.5 x 103 and 3.5 x 102?
a)
2.9 x 102
b)
6.0 x 103
c)
2.9 x 103
d)
6.0 x 105
14.
If the temperature changes by 100 K, by how much does it change in oC?
a)
0oC
b)
100oC
c)
37oC
d)
273oC
15.
Density is found by dividing _____.
a)
area by mass
b)
mass by area
c)
mass by volume
d)
volume by mass
16.
A train travels at a speed of 30 miles per hour. If 1 mile = 1.6 kilometers, how fast is the train traveling in kilometers per minute?
a)
0.6 km/min
b)
0.4 km/min
c)
0.8 km/min
d)
1.0 km/min
17.
How many significant figures are in the measurement 811.40 grams?
a)
two
b)
three
c)
four
d)
five
18.
Express the sum of 1111 km and 222 km using the correct number of significant figures.
a)
1333.0 km
b)
1300 km
c)
1333 km
d)
1330 km
19.
If the temperature of a piece of steel decreases, what happens to its density?
a)
The density decreases
b)
Density 1st increase, then decreases
c)
The density increases
d)
The density does not change
20.
Which of the following mass units is the largest?
a)
dg
b)
cg
c)
ng
d)
mg
21.
Express the product of 2.2 mm and 5.00 mm using the correct number of significant digits.
a)
11.0 mm2
b)
11 mm2
c)
11.00 mm2
d)
10 mm2
22.
What is the temperature of absolute zero measured in oC?
a)
-273oC
b)
-73oC
c)
-173oC
d)
-373oC
23.
The diameter of a carbon atom is 0.000 000 000 154 m. What is this number expressed in scientific notation?
a)
1.54 x 10-10
b)
1.54 x 1010
c)
1.54 x 10-12
d)
1.54 x 1012
24.
Which of the following volumes is the smallest?
a)
one deciliter
b)
one microliter
c)
one liter
d)
one milliliter
25.
What is the volume of 45.6 g of silver if the density of silver is 10.5 g/mL?
a)
479 mL
b)
4.34 mL
c)
0.23 mL
d)
none of the above
26.
Which of the following measurements (of different masses) is the most accurate?
a)
3.122 22 g
b)
3.100 00 g
c)
3.1000 g
d)
Cannot be determined
27.
What is the volume of a salt crystal measuring 2.44 x 10-2 m by 1.4 x 10-3 m by 8.4 x 10-3 m?
a)
2.9 x 10-4 m3
b)
2.9 x 10-5 m3
c)
2.9 x 10-7 m3
d)
2.9 x 10-6 m3
28.
How many significant figures are in the measurement 0.003 4 kg?
a)
This cannot be determined
b)
two
c)
four
d)
five
29.
If a liter of water is heated from 20oC to 50oC, what happens to its volume?
a)
The volume decreases
b)
Vol. first increases, then decreases
c)
The volume increases
d)
Vol. first decreases, then increases
30.
Express the sum of 7.68 m and 5.0 m using the correct number of significant figures.
a)
12.7 m
b)
10 m
c)
13 m
d)
12.68 m
31.
What is the measurement 1042 L rounded off to two significant figures?
a)
1.0 x 103 L
b)
1050 L
c)
1.1 x 103 L
d)
1040 L
32.
Express the product of 4.0 x 10-2 m and 8.1 x 102 m using the correct number of significant figures.
a)
3.24 x 101 m2
b)
3 x 101 m2
c)
3.2 x 101 m2
d)
3.0 x 101 m2
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