Question 1

The metric unit for volume is the

Accepted Answer

A)  meter.
B)  quart.
C)  liter.
D)  pint.
E)  centimeter.

Question 2

The number of significant figures in the measurement of 45.030 mm is

Accepted Answer

A)  none.
B)  three.
C)  four.
D)  five.
E)  six.

Question 3

Which of the following measurements are NOT equivalent?

Accepted Answer

A)  25 mg = 0.025 g
B)  183 L = 0.183 kL
C)  150. ms = 0.150 s
D)  84 cm = 8.4 mm
E)  24 dL = 2.4 L D

Question 4

The cubic centimeter (cm3 or cc)  has the same volume as a

Accepted Answer

A)  cubic inch.
B)  cubic liter.
C)  milliliter.
D)  centimeter.
E)  cubic decimeter. C

Question 5

State the number of significant figures in each of the following measurements.
-680 000 km

Accepted Answer

The answer of State the number of significant figures in...

Question 6

The EPA limit for lead in the soil of play areas is 400 ppm. This is the same as

Accepted Answer

A)  400 mg lead in each gram of soil.
B)  400 g lead in each kilogram of soil.
C)  400 mg lead in each kilogram of soil.
D)  400 µg lead in each kilogram of soil.
E)  400 µg lead in each milligram of soil.

Question 7

A cubic centimeter is a unit of length.

Accepted Answer

A) True 
 B)False

Question 8

State the number of significant figures in each of the following measurements.
-75.00 m

Accepted Answer

The answer of State the number of significant figures in...

Question 9

What is the density of a substance with a mass of 45.00 g and a volume of 26.4 mL?

Accepted Answer

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 A

Question 10

What is the metric relationship between grams and micrograms?

Accepted Answer

A)  1 g = 100 μg
B)  1 g = 1 000 000 μg
C)  1 g = 0.000 001 μg
D)  1 g = 1000 μg
E)  1 g = 0.001 μg

Question 11

A calculator answer of 423.6059 must be rounded off to three significant figures. What answer is reported?

Accepted Answer

A)  423
B)  424
C)  420
D)  423.6
E)  423.7

Question 12

The metric base unit for length is the

Accepted Answer

A)  meter.
B)  inch.
C)  millimeter.
D)  kilometer.
E)  foot.

Question 13

Round off each of the following to three significant figures.
-504.85

Accepted Answer

The answer of Round off each of the following to...

Question 14

Which of the following is the largest unit?

Accepted Answer

A)  millimeter
B)  micrometer
C)  meter
D)  decimeter
E)  kilometer

Question 15

Round off each of the following to three significant figures.
-58.5422

Accepted Answer

The answer of Round off each of the following to...

Question 16

Significant figures are important because they indicate

Accepted Answer

A)  the accuracy of a measurement.
B)  the number of digits on a calculator.
C)  the number of measurements.
D)  the precision of a measurement.
E)  the accuracy of the conversion factor.

Question 17

Which of the following is a measurement of mass in the metric system?

Accepted Answer

A)  milliliter
B)  centimeter
C)  kilogram
D)  Celsius
E)  meter

Question 18

1 milliliter is the same as 1000 L.

Accepted Answer

A) True 
 B)False

Question 19

1 kilogram is the same as 1000 mg.

Accepted Answer

A) True 
 B)False

Question 20

The basic unit of mass in the metric system is the pound.

Accepted Answer

A) True 
 B)False

Exam 2: Chemistry and Measurements

The metric unit for volume is the

Correct AnswerverifiedShow Answer

The number of significant figures in the measurement of 45.030 mm is

Correct AnswerverifiedShow Answer

Which of the following measurements are NOT equivalent?

Correct AnswerverifiedD

The cubic centimeter (cm3 or cc) has the same volume as a

Correct AnswerverifiedC

State the number of significant figures in each of the following measurements. -680 000 km

Correct AnswerverifiedShow Answer

The EPA limit for lead in the soil of play areas is 400 ppm. This is the same as

Correct AnswerverifiedShow Answer

A cubic centimeter is a unit of length.

Correct AnswerverifiedShow Answer

State the number of significant figures in each of the following measurements. -75.00 m

Correct AnswerverifiedShow Answer

What is the density of a substance with a mass of 45.00 g and a volume of 26.4 mL?

Correct AnswerverifiedA

What is the metric relationship between grams and micrograms?

Correct AnswerverifiedShow Answer

A calculator answer of 423.6059 must be rounded off to three significant figures. What answer is reported?

Correct AnswerverifiedShow Answer

The metric base unit for length is the

Correct AnswerverifiedShow Answer

Round off each of the following to three significant figures. -504.85

Correct AnswerverifiedShow Answer

Which of the following is the largest unit?

Correct AnswerverifiedShow Answer

Round off each of the following to three significant figures. -58.5422

Correct AnswerverifiedShow Answer

Significant figures are important because they indicate

Correct AnswerverifiedShow Answer

Which of the following is a measurement of mass in the metric system?

Correct AnswerverifiedShow Answer

1 milliliter is the same as 1000 L.

Correct AnswerverifiedShow Answer

1 kilogram is the same as 1000 mg.

Correct AnswerverifiedShow Answer

The basic unit of mass in the metric system is the pound.

Correct AnswerverifiedShow Answer

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D

The cubic centimeter (cm³ or cc) has the same volume as a

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C

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A

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