Exam (elaborations) Chemistry

,Introduction to Chemistry, 5e (Bauer)
Chapter 1 Matter and Energy

1) Which of the following is not an example of matter?
A) a rock
B) a hot-air balloon
C) carbon dioxide in your exhaled breath
D) steam
E) heat from a barbeque grill

Answer: E
Difficulty: 2 Medium
Topic: Study of Chemistry
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Classification and States of Matter; Properties of Matter
Accessibility: Keyboard Navigation

2) Which of the following is not an example of matter?
A) air
B) light from a candle
C) wax
D) the propellant in an aerosol can
E) a stain on clothing

Answer: B
Difficulty: 2 Medium
Topic: Study of Chemistry
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Classification and States of Matter; Properties of Matter
Accessibility: Keyboard Navigation




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written consent of McGraw-Hill Education.

,3) Which of the following is an example of matter?
A) sunlight
B) light from an incandescent bulb
C) helium in a balloon
D) heat from a car's radiator
E) all of these are correct

Answer: C
Difficulty: 2 Medium
Topic: Study of Chemistry
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Classification and States of Matter; Properties of Matter
Accessibility: Keyboard Navigation

4) Which of the following does not apply to a chemical compound?
A) A chemical compound consists of two or more elements.
B) The elements in a compound are combined in definite proportions.
C) The characteristics of the compound are different from the characteristics of the elements
from which it is made.
D) Compounds can be separated into their constituent elements using only physical methods.
E) A chemical compound can also be classified as a pure substance.

Answer: D
Difficulty: 2 Medium
Topic: Study of Chemistry
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Classification and States of Matter; Properties of Matter
Accessibility: Keyboard Navigation

5) Which of the following statements regarding elements is incorrect?
A) Elements are the simplest building block of matter.
B) Elements cannot be broken down into simpler substances even by chemical means.
C) Some elements are not naturally occurring, and have been synthesized by scientists.
D) As the Greeks had thought, water is an element.
E) Elements are classified using a periodic table.

Answer: D
Difficulty: 1 Easy
Topic: Study of Chemistry
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Classification and States of Matter; Properties of Matter
Accessibility: Keyboard Navigation


2
Copyright 2019 © McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior
written consent of McGraw-Hill Education.

, 6) A combination of two or more substances that can be separated by using only a physical
process is
A) an element.
B) a compound.
C) a mixture.
D) a substance.
E) a composition.

Answer: C
Difficulty: 1 Easy
Topic: Study of Chemistry
Bloom's: 1. Remember
Gradable: automatic
Subtopic: Classification and States of Matter; Properties of Matter
Accessibility: Keyboard Navigation

7) Which of the following is an example of a pure substance?
A) sand
B) tap water
C) aluminum in a soda can (not considering the paint or plastic coatings)
D) river water
E) granite

Answer: C
Difficulty: 1 Easy
Topic: Study of Chemistry
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Properties of Matter
Accessibility: Keyboard Navigation

8) Which of the following is an example of a pure substance?
A) a copper wire
B) milk
C) leather
D) a piece of carpet
E) ocean water

Answer: A
Difficulty: 1 Easy
Topic: Study of Chemistry
Bloom's: 2. Understand
Gradable: automatic
Subtopic: Classification and States of Matter; Properties of Matter
Accessibility: Keyboard Navigation


3
Copyright 2019 © McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior
written consent of McGraw-Hill Education.