# Quiz 1: Matter and Measurement

Chemistry

Q 1Q 1

Which is NOT an example of a pure substance?
A)Sugar
B)Air
C)Aluminum foil
D)Water
E)A block of dry ice

Free

Multiple Choice

B

Q 2Q 2

Which is an example of a physical change?
A)The rusting of an iron nail
B)The burning of propane in a gas grill
C)Baking cookies
D)Polishing tarnished silver
E)Melting of an ice cube in a glass of soda

Free

Multiple Choice

E

Q 3Q 3

In which state of matter are the particles close together and highly organized?
A)Solid
B)Liquid
C)Gas
D)All of the choices are correct.

Free

Multiple Choice

A

Q 4Q 4

Which choice describes the behavior of the particles of a liquid?
A)The particles are close together and highly organized.
B)The particles are close together but disorganized.
C)The particles are far apart and very disorganized.
D)None of the choices are correct.

Free

Multiple Choice

Q 5Q 5

Which state of matter does not have a definite shape or volume?
A)Solid
B)Liquid
C)Gas
D)All of the choices are correct.

Free

Multiple Choice

Q 6Q 6

Which choice describes the behavior of a solid?
A)A solid has a definite volume,and maintains its shape in any container.
B)A solid has a definite volume,but takes on the shape of its container.
C)A solid has no definite shape or volume.
D)None of the above.

Free

Multiple Choice

Q 7Q 7

Which measurement has the fewest number of significant figures?
A)12.80 m
B)0.1280 m
C)0.001280 m
D)1280 m
E)All of the measurements have the same number of significant figures.

Free

Multiple Choice

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Multiple Choice

Q 9Q 9

The number 0.0035880 expressed correctly using scientific notation is ________.
A)0.0035889
B)3.5880 × 10

^{3}C)3.5880 × 10^{-3}D)3.5880 × 10^{-4}E)3.588 × 10^{-3}Free

Multiple Choice

Q 10Q 10

The measurement 78,005,760 expressed correctly using scientific notation is ________.
A)7.8005760 × 10

^{7}B)7.8005760 × 10^{-7}C)7.8 × 10^{7}D)7.800576 × 10^{-7}E)7.800576 × 10^{7}Free

Multiple Choice

Q 11Q 11

When 4.870 × 10

^{-3}is correctly converted to its standard form the number becomes ________. A)4870 B)4870. C)0.00487 D)0.004870 E)0.0004870Free

Multiple Choice

Q 12Q 12

Which number is the largest?
A)4.38 × 10

^{3}B)4.38 × 10^{2}C)4.38 × 10^{-3}D)4.38 × 10^{-2}E)438Free

Multiple Choice

Q 13Q 13

Which number is the smallest?
A)4.38 × 10

^{3}B)4.38 × 10^{2}C)4.38 × 10^{-3}D)4.38 × 10^{-2}E)438Free

Multiple Choice

Q 14Q 14

When 0.022189 is correctly rounded to two significant figures the number becomes ________.
A)0.02
B)0.022
C)22
D)0.023

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Multiple Choice

Q 15Q 15

When 5.5490 × 10

^{8}is correctly rounded to three significant figures the number becomes ________. A)5.55 B)5.55 × 10^{8}C)555 D)554 E)5.54 × 10^{8}Free

Multiple Choice

Q 16Q 16

Which number contains four significant figures?
A)3.978
B)0.780
C)0.0085
D)1700
E)Two or more of the numbers contain four significant figures.

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Multiple Choice

Q 17Q 17

Carry out the following calculation and report the answer using the proper number of significant figures: 38.251 + 73.1
A)111
B)111.3
C)111.4
D)111.35
E)111.351

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Multiple Choice

Q 18Q 18

Carry out the following calculation and report the answer using the proper number of significant figures: 549.101 + 8.12 + 95.0076 - 651.9
A)3.286
B)0.3286
C)0.33
D)0.3
E)1268.1

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Multiple Choice

Q 19Q 19

Carry out the following calculation and report the answer using the proper number of significant figures: 38.251 × 73.1
A)2796.1481
B)2796.15
C)2796.1
D)2796
E)2.80 × 10

^{3}Free

Multiple Choice

Q 20Q 20

Carry out the following calculation and report the answer using the proper number of significant figures:
A)31.0185 ft/s
B)31.01 ft/s
C)31.02 ft/s
D)31.0 ft/s
E)31 ft/s

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Multiple Choice

Q 21Q 21

What is the correct metric relationship between milliliters and microliters?
A)1 milliliter = 1 microliter
B)1,000 milliliters = 1 microliter
C)1 milliliter = 1,000 microliters
D)1,000,000 milliliters = 1 microliter
E)1 milliliter = 1,000,000 microliters

Free

Multiple Choice

Q 22Q 22

Which metric relationship is INCORRECT?
A)1 milligram = 1,000 grams
B)1 dL = 100 mL
C)1 km = 1,000 m
D)100 cg = 1 g
E)1 liter = 1,000,000 microliters

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Multiple Choice

Q 23Q 23

Which is the proper conversion factor for converting a mass expressed in pounds (lb)to the same mass expressed in grams (g)?
A)
B)
C)
D)

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Multiple Choice

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Multiple Choice

Q 25Q 25

A syringe has a volume of 5.0 mL. What is this volume in deciliters?
A)0.00050 dL
B)0.0050 dL
C)0.050 dL
D)0.50 dL
E)50. dL

Free

Multiple Choice

Q 26Q 26

What is the mass in kilograms of an individual who weighs 197 lb?
A)197 kg
B)8.95 kg
C)89.5 kg
D)90 kg
E)433 kg

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Multiple Choice

Q 27Q 27

If a balloon has a volume of 21.6 cups,what is the volume of this balloon expressed in L?
A)86.4 L
B)81.51 L
C)5.72 L
D)5.094 L
E)5.09 L

Free

Multiple Choice

Q 28Q 28

Which volume is equivalent to 225 mL?
A)2.25 × 10

^{5}μL B)2.25 × 10^{2}μL C)2.25 L D)2.25 × 10^{-5}μL E)0.225 μLFree

Multiple Choice

Q 29Q 29

If a package of nuts weighs 41.3 oz,what is the mass of the package expressed in milligrams?
A)1.17 mg
B)1.17 × 10

^{3}mg C)1.17 × 10^{6}mg D)117 mg E)3.00 × 10^{5}mgFree

Multiple Choice

Q 30Q 30

If a tree is 89.5 cm tall,what is the tree's height expressed in yards?
A)0.979 yd
B)6.31 yd
C)18.9 yd
D)35.2 yd
E)227 yd

Free

Multiple Choice

Q 31Q 31

If honey has a density of 1.36 g/mL,what is the mass of 1.25 qt,reported in kilograms?
A)1.60 kg
B)1.6 × 10

^{3}kg C)0.974 kg D)974 kg E)1.80 kgFree

Multiple Choice

Q 32Q 32

If a piece of rock has a volume of 0.73 L and a mass of 1524 g,what is the density of the rock in g/mL?
A)2.1 × 10

^{3}g/mL B)0.48 g/mL C)4.8 × 10^{-4}g/mL D)2.1 g/mL E)2.088 g/mLFree

Multiple Choice

Q 33Q 33

A hiker with hypothermia has a body temperature of 82 °F. What is his body temperature in °C?
A)14 °C
B)28 °C
C)31 °C
D)50 °C

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Multiple Choice

Q 34Q 34

On an autumn day in Washington,DC,the outdoor temperature was 21 °C. What was this outdoor temperature in °F?
A)44 °F
B)57 °F
C)69 °F
D)70 °F

Free

Multiple Choice

Q 35Q 35

An oven is set for a temperature of 298 °F. What is the oven temperature in K?
A)166 K
B)421 K
C)148 K
D)571 K
E)439 K

Free

Multiple Choice

Q 36Q 36

Which of the following temperatures is the hottest?
A)100 °C
B)100 °F
C)100 K
D)All would feel equally warm.

Free

Multiple Choice

Q 37Q 37

The recommended dietary allowance for calcium for teenage children is 1,300 mg per day. If a typical 8.0-fl oz glass of reduced-fat milk contains 298 mg of calcium,how many fluid ounces of milk does a teenager need to drink to get the entire recommended amount of calcium from this milk?
A)4.4 fl oz
B)1.8 fl oz
C)3.5 fl oz
D)35 fl oz
E)32 fl oz

Free

Multiple Choice

Q 38Q 38

What is the density of a sample of rubbing alcohol if it has a specific gravity of 0.789?
A)1.27 g/mL
B)0.789 g/mL
C)1.00 g/mL
D)0.895 g/mL

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Multiple Choice

Q 39Q 39

Which of the following conversions is correct and expresses the answer using the proper number of significant figures?
A)
B)
C)
D)

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Multiple Choice

Q 40Q 40

What is the mass in grams of 85.32 mL of blood plasma with a density of 1.03 g/mL?
A)85.32 g
B)82.83 g
C)82.8 g
D)87.88 g
E)87.9 g

Free

Multiple Choice

Q 41Q 41

If a 185-lb patient is prescribed 145 mg of the cholesterol lowering drug Tricor daily,what dosage is the patient receiving in mg/kg of his body weight?
A)0.784 mg/kg
B)1.28 mg/kg
C)0.356 mg/kg
D)1.72 mg/kg
E)0.580 mg/kg

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Multiple Choice

Q 42Q 42

The estimated average daily requirement of folic acid for pregnant females is 520 micrograms. Which accurately expresses this value?
A)520 mg
B)520 Mg
C)520 mG
D)520 μg

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Multiple Choice

Q 43Q 43

For a person between the ages of 10 and 29,the normal range of blood triglycerides is 53 × 10

^{4}mg/dL. What is the correct interpretation of the units in this measurement? A)milligrams times deciliter B)micrograms per deciliter C)megagrams per deciliter D)milligrams per deciliterFree

Multiple Choice

Q 44Q 44

A patient's urine sample has a density of 1.02 g/mL. If 1250 mL of urine was excreted by the patient in one day,what mass of urine was eliminated?
A)1.28 kg
B)1225 g
C)1275 g
D)128 g

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Multiple Choice

Q 45Q 45

The density of human urine is normally between 1.003 and 1.030 g/mL,and is often used as a diagnostic tool. If a 25.00 mL sample of urine from a patient has a mass of 26.875 g,how does the density of the urine sample compare to the normal range?
A)The density of the sample is lower than the normal range
B)The density of the sample is greater than the normal range
C)The density of the sample is within the normal range
D)There is insufficient information to make a comparison

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Multiple Choice

Q 46Q 46

Which volume has the most uncertainty associated with the measurement?
A)10 mL
B)10.0 mL
C)10.00 mL
D)All have the same degree of uncertainty.

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Multiple Choice

Q 47Q 47

Air has a density of 0.001226 g/mL. What volume of air would have a mass of 1.0 lb?
A)2.7 mL
B)815.6 mL
C)37 mL
D)3.7 × 10

^{2}LFree

Multiple Choice

Q 48Q 48

A beaker contains 145.675 mL of a saline solution. If 24.2 mL of the saline solution are removed from the beaker,what volume of solution remains?
A)121.475 mL
B)121.4 mL
C)121.5 mL
D)121 mL

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Multiple Choice

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True False

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True False

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True False

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True False

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True False

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True False

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True False

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True False

Q 57Q 57

A zero counts as a significant figure when it occurs at the end of a number that contains a decimal point.

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True False

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True False

Q 59Q 59

Specific gravity is a quantity that compares the density of a substance with the density of water.

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True False

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True False

Q 61Q 61

When the liquid carbon tetrachloride (density = 1.59 g/mL)is added to water,the top layer will be the water layer.

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True False

Q 62Q 62

When a piece of magnesium (density = 1.738 g/mL)is placed in a container of liquid carbon tetrachloride (density = 1.59 g/mL),the piece of magnesium will float on top of the carbon tetrachloride.

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True False

Q 63Q 63

In reading a number with a decimal point from left to right,all digits starting with the first nonzero number are significant figures.

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True False

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True False

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True False

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True False

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True False

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True False

Q 69Q 69

Assuming the numbers are measured values,when multiplying 762.85 by 15 the answer should be reported with two significant figures.

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True False

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True False

Q 71Q 71

In scientific notation,a number is written as y × 10

^{x},where x can be any positive or negative number or fraction.Free

True False

Q 72Q 72

If the density of a substance is greater than 1 g/mL,the mass of a sample of this substance will be greater than the volume of the sample.

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True False

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True False

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True False

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True False

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True False

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True False

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True False

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True False

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True False

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True False

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True False

Q 85Q 85

For a number written in scientific notation,a negative exponent indicates the value of the number is less than 1.

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True False

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True False

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Short Answer