Test Bank For Chemistry The Molecular Nature of Matter And Change 8th Edition by Martin Silberberg

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Edition: 8th Edition

Format: Downloadable ZIP File

Resource Type: Test bank

Duration: Unlimited downloads

Delivery: Instant Download

Test Bank For Chemistry The Molecular Nature of Matter And Change 8th Edition by Martin Silberberg

ISBN-10: 1259631753, ISBN-13: 978-1259631757

Chapter 1 Test Bank

Keys to Studying Chemistry: Definitions, Units, and Problem Solving

  1. Which one of the following is a “substance” in the sense of the word as used in your textbook?

A. air

B. tap water

C. sea water

D. water

E. toothpaste

Accessibility: Keyboard Navigation

Bloom’s: 2. Understand

Difficulty: Easy

Gradable: automatic

Subtopic: Classification and States of Matter

Topic: Study of Chemistry

 

2. Select the best statement.

A. Physical changes may be reversed by changing the temperature.

B. Physical changes alter the composition of the substances involved.

C. Physical properties are not valid characteristics for identifying a substance.

D. Physical properties are mostly extensive in nature.

E. Physical changes are usually accompanied by chemical changes.

Accessibility: Keyboard Navigation

Bloom’s: 1. Remember

Difficulty: Easy

Gradable: automatic

Subtopic: Properties of Matter

Topic: Study of Chemistry

 

3. Select the best statement.

A. Chemical changes provide the only valid basis for identification of a substance.

B. Chemical changes are easily reversed by altering the temperature of the system.

C. Chemical changes always produce substances different from the starting materials.

D. Chemical changes are associated primarily with extensive properties.

E. Chemical changes are accompanied by changes in the total mass of the substances involved.

Accessibility: Keyboard Navigation

Bloom’s: 1. Remember

Difficulty: Easy

Gradable: automatic

Subtopic: Properties of Matter

Topic: Study of Chemistry

 

4. Which of the following is a chemical change?

A. boiling of water

B. melting wax

C. broiling a steak on a grill

D. condensing water vapor into rainfall

E. carving a piece of wood

Accessibility: Keyboard Navigation

Bloom’s: 2. Understand

Difficulty: Easy

Gradable: automatic

Subtopic: Properties of Matter

Topic: Study of Chemistry

 

5. Water vapor is less dense than ice because

A. molecules in the gas phase are in constant motion.

B. molecules in the gas phase have more potential energy than in solids.

C. molecules in the gas phase have more kinetic energy than in solids.

D. gaseous molecules have less mass.

E. molecules in the gas phase have more space between them than in solids.

Accessibility: Keyboard Navigation

Bloom’s: 2. Understand

Difficulty: Medium

Gradable: automatic

Subtopic: Classification and States of Matter

Topic: Study of Chemistry

 

6. During the swing of a frictionless pendulum, what energy form(s) remain constant?

A. kinetic energy only

B. potential energy only

C. both kinetic energy and potential energy

D. kinetic plus potential energy

E. None of these choices are correct.

Accessibility: Keyboard Navigation

Bloom’s: 2. Understand

Difficulty: Hard

Gradable: automatic

Subtopic: Classification and States of Matter

Topic: Study of Chemistry

  

7. The most significant contribution to modern science made by alchemists was

A. their fundamental work in the transmutation of the elements.

B. their widespread acceptance of observation and experimentation.

C. their systematic method of naming substances.

D. their understanding of the nature of chemical reactions.

E. their discovery of phlogiston.

Accessibility: Keyboard Navigation

Bloom’s: 1. Remember

Difficulty: Medium

Gradable: automatic

Subtopic: Scientific Method

Topic: Study of Chemistry 

 

8. Select the best statement about chemistry before 1800.

A. Alchemy focused on objective experimentation rather than mystical explanations of processes.

B. The phlogiston theory laid a valuable theoretical basis for modern chemistry.

C. Lavoisier’s quantitative work on the role of oxygen in combustion was the beginning of modern chemistry.

D. The interpretation of data by alchemists was not biased by their overall view of life.

E. Alchemists failed because they did not develop any practical chemical methods.

Accessibility: Keyboard Navigation

Bloom’s: 1. Remember

Difficulty: Medium

Gradable: automatic

Subtopic: Scientific Method

Topic: Study of Chemistry

  

9. Which of the following activities is not a part of good science?

A. proposing a theory

B. developing a hypothesis

C. making quantitative observations

D. designing experiments

E. indulging in speculation

Accessibility: Keyboard Navigation

Bloom’s: 1. Remember

Difficulty: Easy

Gradable: automatic

Subtopic: Scientific Method

Topic: Study of Chemistry

 

10. A scientist made careful measurements of the pressure and temperature of many different gases. Based on these measurements, he concluded that “the pressure of a fixed amount of gas, measured at constant volume, is directly proportional to its absolute temperature.” This statement is best described as a

A. theory.

B. hypothesis.

C. law.

D. experiment.

E. definition.

Accessibility: Keyboard Navigation

Bloom’s: 2. Understand

Difficulty: Medium

Gradable: automatic

Subtopic: Scientific Method

 Topic: Study of Chemistry

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