States of Matter and Their Properties Practice Quiz (5 questions)

All questions and answers

1. A student sorts water, oil, sand, air, and water vapor by physical state. Which classifications are correct?

The student classifies water vapor as a gas and oil as a liquid.
The student classifies water as a liquid and sand as a solid.
The student classifies air as a gas and sand as a solid.
The student classifies oil as a gas and air as a liquid.
The student classifies sand as a liquid and water vapor as a solid.

The student classifies water vapor as a gas and oil as a liquid. · The student classifies water as a liquid and sand as a solid. · The student classifies air as a gas and sand as a solid.

Explanation

Water and oil are examples of liquids, sand is a solid, and air and water vapor are gases. Oil is not a gas, and sand and water vapor are not liquids and solids, respectively.

2. A liquid is poured into a narrow vessel and left undisturbed. Which statements describe its shape and free surface?

The liquid retains its own shape when transferred between different vessels.
The liquid conforms to the shape of the narrow vessel containing it.
The liquid conforms to the vessel, while its free surface is vertical.
The liquid's free surface in contact with air is curved and vertical.
The liquid's free surface in contact with air is plane and horizontal.

The liquid conforms to the shape of the narrow vessel containing it. · The liquid's free surface in contact with air is plane and horizontal.

Explanation

A liquid has no shape of its own, so it takes the vessel's shape; its free surface touching air is plane and horizontal. It does not retain a fixed shape, and the stated free-surface orientation is not curved or vertical.

3. Which statement correctly characterizes whether a liquid can be grasped with the fingers?

A liquid can be grasped with the fingers because it has no fixed shape.
A liquid can be grasped with the fingers when its surface is horizontal.
A liquid cannot be grasped with the fingers because it keeps its own shape.
A liquid can be grasped with the fingers when held in a container.
A liquid cannot be grasped with the fingers, as stated for liquids.

A liquid cannot be grasped with the fingers, as stated for liquids.

Explanation

Liquids cannot be grasped with the fingers. Having no fixed shape, being held in a container, or having a horizontal surface does not change that stated property.

4. A gas is confined in a flexible enclosure whose volume can change. Which statements describe the gas?

The gas is compressible but does not expand when additional space is available.
The gas expands when compressed, but cannot be compressed itself.
The gas expands to occupy all space available within the enclosure.
The gas can be compressed when pressure is applied to it.
The gas keeps its own shape while occupying all space in the enclosure.

The gas expands to occupy all space available within the enclosure. · The gas can be compressed when pressure is applied to it.

Explanation

Gases are compressible and expandable, and a gas without its own shape occupies all space available to it. A gas can expand when space is available, and it does not retain a fixed shape.

5. Which statements characterize gases and fluids through their interaction with the fingers and their ability to flow?

Gases cannot be grasped with the fingers, as stated for gases.
Gases can be grasped with the fingers when they are flowing.
Liquids and gases are considered fluids because they can flow.
Liquids are considered fluids because they occupy all space available.
Liquids and gases are considered fluids because they retain fixed shapes.

Gases cannot be grasped with the fingers, as stated for gases. · Liquids and gases are considered fluids because they can flow.

Explanation

Liquids and gases are classified as fluids because they flow, and gases cannot be grasped with the fingers. Fixed shape is not the reason for fluid classification, and occupying all available space is stated as a gas property, not the defining reason liquids are fluids.

Study with flashcards

Lock in the answers with 14 flashcards on States of Matter and Their Properties.

What three physical states does matter occur in?

Solid, liquid, and gas.

What determines a solid’s shape?

Its own shape, independent of its container.

What shape does a liquid take when poured into a container?

The shape of its container.

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