Test Bank for Introductory Chemistry, 2e Kevin Revell

Test Bank for Introductory Chemistry, 2e Kevin Revell (All Chapters)

Chapter 1

• Chemistry that is essential to the understanding of the human body is found within the field of _____.
• physics
• biology/medicine
• materials
• geology

ANSWER: b

• Chemistry that is essential to the understanding of energy and motion is found within the field of _____.
• physics
• biology/medicine
• materials
• geology

ANSWER: a

• Chemistry that is essential to the understanding of plastics and steel is found within the field of _____.
• physics
• biology/medicine
• materials
• geology

ANSWER: c

• _____ is often referred to as the "central science" because it connects with every other field of science.
• Chemistry
• Biology/medicine
• Physics
• Geology

ANSWER: a

• Which task is NOT impacted by chemistry?
• painting a picture on a canvas
• playing a violin
• fertilizing a field
• All of these tasks are impacted by chemistry.
• None of these tasks is impacted by chemistry.

ANSWER: d

• Which task is NOT impacted by chemistry?
• improving water quality 1 / 4

• harvesting solar energy
• synthesizing new medicines
• All of these tasks are impacted by chemistry.
• None of these tasks is impacted by chemistry.

ANSWER: d

• Chemistry that is essential to the development of pharmaceutical drugs and treatments is found within the

field of _____.

• physics
• biology/medicine
• environmental science
• geology

ANSWER: b

• Which picture BEST represents a mixture?

• a
• b
• c
• All of these pictures represent mixtures.

ANSWER: a

• By definition, which of the following can be broken down into simpler substances?
• gas
• element
• compound
• liquid

ANSWER: c

• By definition, which of the following CANNOT be broken down into simpler substances?
• gas
• element
• compound
• liquid

ANSWER: b

• Which phase of matter has a definite volume but no definite shape?
• plasma
• solid
• liquid 2 / 4

• gas

ANSWER: c

• Which phase of matter has a definite volume and shape?
• plasma
• solid
• liquid
• gas

ANSWER: b

• A chemical change always involves a change in the _____ of matter.
• state
• composition
• volume
• temperature

ANSWER: b

• A mixture of iron, salt, and sand can be separated using a magnet, water, a filter, and a hot plate. This

separation _____.

• involves both chemical and physical changes
• involves only chemical changes or processes
• involves only physical changes or processes
• cannot be done with the materials listed

ANSWER: c

• Mineral deposits (known as soap scum) can be removed from your bathtub by reacting with vinegar. This

changes the soap scum to a new compound that more easily washes away. The removal of soap scum by the addition of vinegar _____.

• involves both chemical and physical changes
• involves only chemical changes or processes
• involves only physical changes or processes
• cannot be done with the materials listed

ANSWER: b

• Which picture BEST represents a pure element?

• a
• b
• c
• All of these pictures represent a pure element. 3 / 4

ANSWER: b

• Which picture BEST represents a mixture of pure elements?

• a
• b
• c
• All of these pictures represent a mixture of pure elements.

ANSWER: a

• Which picture BEST represents a compound?

• a
• b
• c
• All of these pictures represent a compound.

ANSWER: c

• Which picture BEST represents a homogeneous mixture?

• a
• b
• c
• All of these pictures represent a homogeneous mixture.

ANSWER: a

• Which mixture is heterogeneous?
• water from a creek or small river
• purified water
• fresh milk recently purchased from the grocery store
• a cup of black coffee
• / 4