Question 1

Which of the following best describes the compressibility of gases compared to solids and liquids?

Accepted Answer

Gases are much more compressible than solids and liquids.

Question 2

A substance has a definite volume but no definite shape. Which state of matter does this describe?

Accepted Answer

Liquid

Question 3

Which property is defined as the resistance of a liquid to flow?

Accepted Answer

Viscosity

Question 4

A crystalline solid is best described as:

Accepted Answer

A solid with a well-organized 3D structure.

Question 5

Which of the following substances would have the lowest viscosity at room temperature?

Accepted Answer

Water

Question 6

Nitric acid has a melting point of $$-42\ ^\circ \mathrm{C}$$ and a boiling point of $$83\ ^\circ \mathrm{C}. $$What is its physical state at $$15\ ^\circ \mathrm{C}$$?

Accepted Answer

Liquid

Question 7

Which of the following best explains why gases have no definite shape or volume?

Accepted Answer

Gas particles are far apart and move freely.

Question 8

A sample of an unknown substance has a volume of $$12.1\ \mathrm{L}$$ and expands to fill its container. What is the likely physical state of the substance?

Accepted Answer

Gas

Question 9

Which of the following is an example of an amorphous solid?

Accepted Answer

Glass

Question 10

Which of the following statements about liquids is FALSE?

Accepted Answer

Liquids are easily compressible.

Question 11

Which state of matter is characterized by particles that are closely packed in a fixed arrangement and only vibrate in place?

Accepted Answer

Solid

Question 12

Which of the following best describes the arrangement of particles in an amorphous solid?

Accepted Answer

Particles are randomly arranged without a definite pattern.

Question 13

Which of the following would increase the viscosity of a liquid?

Accepted Answer

Decreasing the temperature

Question 14

A sample of tar is compared to a sample of water at room temperature. Which statement is correct regarding their viscosities?

Accepted Answer

Tar has a higher viscosity than water.

Question 15

Which of the following is NOT a property used to distinguish between the three states of matter?

Accepted Answer

Color

States of Matter: Properties and Classification

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