Type:
Test Bank
Resource:
Chemistry A Molecular Approach
Edition:
1st Edition
Author(s):
Nivaldo J. Tro
Chemistry: A Molecular Approach, 1ce Chapter 1: Units of Measurement for Physical and Chemical Change
Chapter 1 Units of Measurement for Physical and Chemical Change Multiple Choice Questions 1) Which of the following is an example of physical change? A) Sugar is dissolved in water. B) Tea is brewed. C) Dry ice sublimes. D) Ice (solid water) melts. E) All of the above are examples of physical change. Answer: E Diff: 1
Type: MC
Var: 1
Page Ref: 1.1
2) Which of the following is an example of physical change? A) Dew forms on a blade of grass. B) A Halloween light stick glows after shaking. C) An egg solidifies during cooking. D) A hydrogen balloon explodes when contacted with a flame. E) None of the above is a physical change. Answer: A Diff: 1
Type: MC
Var: 1
Page Ref: 1.1
3) Which of the following is an example of a chemical change? A) Copper building materials develop a green patina over time. B) A match burns. C) Ethanol evaporates. D) Both A and B are examples of chemical change. E) All of the above are examples of chemical change. Answer: D Diff: 1
Type: MC
Var: 1
Page Ref: 1.1
4) Which of the following is an example of a chemical change? A) tea brewing B) water boiling C) leaves turning colour in the fall D) salt dissolving in water E) None of the above is a chemical change. Answer: C Diff: 1
Type: MC
Var: 1
Page Ref: 1.1
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1-1
Chemistry: A Molecular Approach, 1ce Chapter 1: Units of Measurement for Physical and Chemical Change 5) A physical change A) occurs when iron rusts. B) occurs when sugar is heated into caramel. C) occurs when glucose is converted into energy within your cells. D) occurs when water is evaporated. E) occurs when propane is burned for heat. Answer: D Diff: 1
Type: MC
Var: 1
Page Ref: 1.1
6) A chemical change A) occurs when methane gas is burned. B) occurs when paper is shredded. C) occurs when water is vaporized. D) occurs when salt is dissolved in water. E) occurs when powdered lemonade is stirred into water. Answer: A Diff: 1
Type: MC
Var: 1
Page Ref: 1.1
7) Which of the following represents a physical property? A) Sodium metal is extremely reactive with chlorine gas. B) Mercury is a silvery liquid at room temperature. C) Aluminum has a tendency to "rust." D) Butane is highly flammable. E) Argon has an unreactive nature. Answer: B Diff: 1
Type: MC
Var: 1
Page Ref: 1.1
8) Which of the following represents a chemical property of hydrogen gas? A) It is gaseous at room temperature. B) It is less dense than air. C) It reacts explosively with oxygen. D) It is colourless. E) It is tasteless. Answer: C Diff: 1
Type: MC
Var: 1
Page Ref: 1.1
9) Define thermal energy. A) energy associated with the temperature of an object B) energy associated with the motion of an object C) energy associated with the force of an object D) energy associated with the gravity of an object Answer: A Diff: 1
Type: MC
Var: 1
Page Ref: 1.2
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1-2
Chemistry: A Molecular Approach, 1ce Chapter 1: Units of Measurement for Physical and Chemical Change 10) Which of the following is an SI base unit? A) volt B) gram C) hour D) kelvin E) dozen Answer: D Diff: 1
Type: MC
Var: 1
Page Ref: 1.3
11) Identify the unit of measurement that is a SI base unit of measurement. A) second B) Celsius C) cup D) pound E) yard Answer: A Diff: 1
Type: MC
Var: 1
Page Ref: 1.3
12) Kilogram is a measure of A) mass. B) time. C) temperature. D) length. E) volume. Answer: A Diff: 1
Type: MC
Var: 1
Page Ref: 1.3
13) Metre is a measure of A) mass. B) time. C) temperature. D) length. E) volume. Answer: D Diff: 1
Type: MC
Var: 1
Page Ref: 1.3
14) Kelvin is a measure of A) mass. B) time. C) temperature. D) length. E) volume. Answer: C Diff: 1
Type: MC
Var: 1
Page Ref: 1.3
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1-3
Chemistry: A Molecular Approach, 1ce Chapter 1: Units of Measurement for Physical and Chemical Change 15) Second is a measure of A) mass. B) time. C) temperature. D) length. E) volume. Answer: B Diff: 1
Type: MC
Var: 1
Page Ref: 1.3
16) Mole is a measure of A) luminous intensity. B) amount. C) mass. D) length. E) current. Answer: B Diff: 1
Type: MC
Var: 1
Page Ref: 1.3
17) Ampere is a measure of A) luminous intensity. B) amount. C) mass. D) length. E) current. Answer: E Diff: 1
Type: MC
Var: 1
Page Ref: 1.3
18) Which of the following is an example of intensive properties? A) density B) volume C) mass D) None of the above is an example of intensive properties. E) All of the above are examples of intensive properties. Answer: A Diff: 1
Type: MC
Var: 1
Page Ref: 1.3
19) Which of the following is an example of extensive properties? A) mass B) colour C) density D) temperature E) taste Answer: A Diff: 1
Type: MC
Var: 1
Page Ref: 1.3
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