Test Bank For General, Organic, and Biological Chemistry 5th Edition by Janice Smith. Isbn:9781260732023.
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Grado
General Chemistry
Institución
General Chemistry
Test Bank General, Organic, and Biological Chemistry 5th Edition by Janice Smith.
Isbn:9781260732023.
General, Organic, and Biological Chemistry 5e test bank. smith 5e test bank for General, Organic Biological Chemistry. TOC-=Chapter 1: Matter and Measurement
Chapter 2: Atoms and the Periodic...
TEST BANK General, Organic, and Biological Chemistry 5th Edition
Chapter 1: Matter and Measurement
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 (solid CO2)
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
3) Which of the following examples represents a chemical change?
A) the tearing of a piece of paper
B) the melting of an ice cube
C) the burning of a candle
D) the dissolving of table salt (NaCl) in water
E) the evaporation of water from a puddle
4) An unknown solid is taken to the laboratory for analysis. Which of the following examples
represents a chemical property of the unknown solid substance?
A) The density of the solid is 1.66 g/mL.
B) The melting point of the solid is 156°C.
C) The solid is soluble in water and acetone.
D) The substance is odorless in solid form.
E) The substance produces a gas when combined with NaHCO3 in water.
1
,Chapter 1: Matter and Measurement
5) An unknown liquid is taken to the laboratory for analysis. Which of the following examples
represents a physical property of the unknown liquid substance?
A) The liquid is hygroscopic and readily absorbs moisture from the air.
B) The liquid produces an exothermic reaction with water.
C) The liquid is highly corrosive.
D) The liquid is viscous with a slight yellow color.
E) The liquid is a powerful oxidizing agent.
6) 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.
E) none of the choices are correct.
7) Which description best characterizes 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 highly organized.
D) The particles are far apart and very disorganized.
E) None of the choices are correct.
8) Which state of matter does not have a definite shape or volume?
A) solid
B) liquid
C) gas
D) More than one of the choices are correct.
E) None of the choices are correct.
9) 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 volume or shape.
D) A solid has no definite volume and takes the shape of its container.
E) None of the choices are correct.
2
,Chapter 1: Matter and Measurement
10) 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.
11) Which quantity is an exact number?
A) 3 cars
B) 1,000 m
C) 2 L
D) 453.6 g
E) 1 qt
12) Which quantity is an inexact number?
A) 1 dozen eggs
B) 120 meters
C) 15 marbles
D) 5 soccer balls
E) 2 soda cans
13) The number 0.0035880 expressed correctly using scientific notation is ________.
A) 0.0035889
B) 3.5880 × 103
C) 3.5880 × 10–3
D) 3.5880 × 10–4
E) 3.588 × 10–3
14) The measurement 78,005,760 expressed correctly using scientific notation is ________.
A) 7.8005760 × 107
B) 7.8005760 × 10–7
C) 7.8 × 107
D) 7.800576 × 10–7
E) 7.800576 × 107
3
, Chapter 1: Matter and Measurement
–3
15) When 4.870 × 10 is correctly converted to its standard form the number becomes
________.
A) 4870
B) 4870.
C) 0.00487
D) 0.004870
E) 0.0004870
16) Which number is the largest?
A) 4.38 × 103
2
B) 4.38 × 10
C) 4.38 × 10–3
D) 4.38 × 10–2
E) 438
17) Which number is the smallest?
A) 4.38 × 103
B) 4.38 × 102
C) 4.38 × 10–3
D) 4.38 × 10–2
E) 438
18) When 0.022189 is correctly rounded to two significant figures the number becomes
________.
A) 0.02
B) 0.022
C) 22
D) 0.023
E) 0.0222
4
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