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Period 1 Chemistry - Ch 5  Prep-Test

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 
A volume of 1 cubic centimeter is equivalent to
a.
1 milliliter.
c.
1 liter.
b.
1 gram.
d.
10–1 cubic decimeters.
 

 2. 
Which of the following observations is quantitative?
a.
The liquid turns blue litmus paper red.
c.
The liquid tastes bitter.
b.
The liquid boils at 100ºC.
d.
The liquid is cloudy.
 

 3. 
Quantitative observations are recorded using
a.
numerical information.
c.
non-numerical information.
b.
a control.
d.
a system.
 

 4. 
Qualitative observations are recorded using
a.
numerical information.
c.
non-numerical information.
b.
a control.
d.
a system.
 

 5. 
The symbol mm represents
a.
micrometer.
c.
milliliter.
b.
millimeter.
d.
meter.
 

 6. 
The quantity of matter per unit volume is
a.
mass.
c.
inertia.
b.
weight.
d.
density.
 

 7. 
The liter is equivilent to
a.
1000 m3.
c.
1000 g3.
b.
1000 cm3.
d.
1000 c3.
 

 8. 
The metric unit for mass is the
a.
slug.
c.
meter.
b.
cubic centimeter.
d.
kilogram.
 

 9. 
The symbol that represents the measured unit for volume is
a.
mL.
c.
mm.
b.
mg.
d.
cm.
 

 10. 
All of the following are SI units for density EXCEPT
a.
kg/m3.
c.
g/cm3.
b.
g/mL.
d.
g/m2.
 

 11. 
Which statement about density is true?
a.
Two samples of a pure substance may have different densities.
b.
Density is a chemical property.
c.
Density is a physical property.
d.
The density of a sample depends on its location on Earth.
 

 12. 
The density of pure diamond is 3.5 g/cm3. The mass of a diamond is 0.25 g. Find its volume.
a.
0.071 cm3
c.
3.5 cm3
b.
0.875 cm3
d.
14 cm3
 

 13. 
What is the density of 37.72 g of matter whose volume is 6.80 cm3?
a.
0.18 g/cm3
c.
30.92 g/cm3
b.
5.55 g/cm3
d.
256.4 g/cm3
 

 14. 
The mass of a 5.00 cm3 sample of clay is 11 g. What is the density of the clay?
a.
0.45 g/cm3
c.
6 g/cm3
b.
2.2 g/cm3
d.
55 g/cm3
 

 15. 
100 milliliters is equivalent to
a.
1 hectoliter.
c.
1 centiliter.
b.
1 microliter.
d.
1 deciliter.
 

 16. 
To two significant figures, the measurement 0.0255 g should be reported as
a.
0.02 g.
c.
0.026 g.
b.
0.025 g.
d.
2.5 ´ 102 g.
 

 17. 
The number of significant figures in the measurement 0.000 305 kg is
a.
3.
c.
5.
b.
4.
d.
6.
 

 18. 
The measurement that has been expressed to three significant figures is
a.
0.052 g.
c.
3.065 g.
b.
0.202 g.
d.
5000 g.
 

 19. 
The measurement that has only nonsignificant zeros is
a.
0.0037 mL.
c.
400. mL.
b.
60.0 mL.
d.
506 mL.
 

 20. 
The number that has five significant figures is
a.
23 410
c.
0.01783
b.
0.00652
d.
10.292
 

 21. 
The product of 13 cm and 5.7 cm is correctly reported as
a.
74 cm2.
c.
74.1 cm2.
b.
74.0 cm2.
d.
75 cm2.
 

 22. 
Round 1.245 633 501 ´ 108 to four significant figures.
a.
1246
c.
1.246 x 108
b.
1.245 x 108
d.
1.246 x 104
 

 23. 
How many significant digits should be shown in the product of 1.6 cm and 2.4 cm?
a.
1
c.
3
b.
2
d.
4
 

 24. 
The speed of light is 300 000 km/s. In scientific notation, this speed is
a.
3   ´   105 km/s.
c.
3.0   ´   106 km/s.
b.
3.00   ´   105 km/s.
d.
3.00   ´   106 km/s.
 

 25. 
The average distance between the Earth and the moon is 386 000 km. Expressed in scientific notation, this distance is
a.
386 ´  103 km.
c.
3.8 ´  105 km.
b.
38 ´  104 km.
d.
3.86 ´  105 km.
 

 26. 
An analytical balance can measure mass to the nearest 1/10 000 of a gram, 0.0001 g. In scientific notation, the accuracy of the balance would be expressed as
a.
1.0 x 10–3 g.
c.
1 x 104 g.
b.
1 x 103 g.
d.
1 x 10–4 g.
 

 27. 
The result of dividing 107 by 10–3 is
a.
10–4.
c.
104.
b.
102.5.
d.
1010.
 

 28. 
The expression of 5008 km in scientific notation is ____.
a.
5.008 mc028-1.jpg 10mc028-2.jpg km
c.
5.008 mc028-5.jpg 10mc028-6.jpg km
b.
50.08mc028-3.jpg 10mc028-4.jpg km
d.
5.008 mc028-7.jpg 10mc028-8.jpg km
 

 29. 
How many significant figures are in the measurement 0.003 4 kg?
a.
two
c.
five
b.
four
d.
This cannot be determined.
 

 30. 
How many significant figures are in the measurement 40,500 mg?
a.
two
c.
four
b.
three
d.
five
 

 31. 
How many significant figures are in the measurement 811.40 grams?
a.
two
c.
four
b.
three
d.
five
 

 32. 
Express the sum of 1111 km and 222 km using the correct number of significant digits.
a.
1300 km
c.
1333 km
b.
1330 km
d.
1333.0 km
 

 33. 
What is the measurement 111.009 mm rounded off to four significant digits?
a.
111 mm
c.
111.01 mm
b.
111.0 mm
d.
110 mm
 

 34. 
What is the measurement 1042 L rounded off to two significant digits?
a.
1.0 mc034-1.jpg 10mc034-2.jpg L
c.
1050 L
b.
1040 L
d.
1.1 mc034-3.jpg 10mc034-4.jpg L
 

 35. 
What is the temperature of absolute zero measured in mc035-1.jpgC?
a.
–373mc035-2.jpgC
c.
–173mc035-4.jpgC
b.
–273mc035-3.jpgC
d.
–73mc035-5.jpgC
 

 36. 
Which temperature scale has no negative temperatures?
a.
Celsius
c.
Joule
b.
Fahrenheit
d.
Kelvin
 

 37. 
What is the temperature –34mc037-1.jpgC expressed in kelvins?
a.
139 K
c.
239 K
b.
207 K
d.
339 K
 

 38. 
If the temperature changes by 100 K, by how much does it change in mc038-1.jpgC?
a.
0mc038-2.jpgC
c.
100mc038-4.jpgC
b.
37mc038-3.jpgC
d.
273mc038-5.jpgC
 

 39. 
What is the quantity 0.0075 meters expressed in centimeters?
a.
0.075 cm
c.
7.5 cm
b.
0.75 cm
d.
70.5 cm
 

 40. 
What is the quantity 987 milligrams expressed in grams?
a.
0.000 987 g
c.
9.87 g
b.
0.987 g
d.
98,700 g
 

 41. 
A pint of blood would be how many mL? (1 L= 1.057 qt and 1 qt = 2 pints.)
a.
529 mL
c.
473 mL
b.
946 mL
d.
454 mL
 

Matching
 
 
Match each item with the correct statement below.
a.
absolute zero
d.
weight
b.
Kelvin temperature scale
e.
mass
c.
Celsius temperature scale
f.
significant figure
 

 42. 

 the force of gravity on an object
 

 43. 

 known or estimated in a measurement
 

 44. 

 the quantity of matter an object contains
 

 45. 

 the lowest point on the Kelvin scale
 

 46. 

 the metric scale for temperature that has no negative numbers
 



 
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