Question 1

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

Accepted Answer

Gases have high compressibility, while liquids and solids have low compressibility.

Question 2

A sample of matter maintains its shape and volume regardless of the container it is placed in. Which state of matter does this sample most likely represent?

Accepted Answer

Solid

Question 3

Which property is defined as the resistance of a substance to flow or change in shape?

Accepted Answer

Viscosity

Question 4

An unknown substance has a volume of 12.1 L and upon quadrupling the pressure, its volume remains unchanged. What is the most likely physical state of the substance?

Accepted Answer

Solid

Question 5

Which of the following substances would you expect to have the lowest viscosity?

Accepted Answer

Helium gas

Question 6

Nitric acid has a melting point of $-42^	ext{\circ}C$ and a boiling point of $83^	ext{\circ}C$. What is its physical state at $110^	ext{\circ}C$?

Accepted Answer

Gas

Question 7

Which statement best describes an amorphous solid?

Accepted Answer

It lacks organized pattern or shapes.

Question 8

A liquid is poured into a container. Which of the following properties will it assume?

Accepted Answer

It will assume the shape but not the volume of the container.

Question 9

Which of the following is true about the compressibility of liquids?

Accepted Answer

Liquids have moderate compressibility.

Question 10

A substance is observed to have a high viscosity and maintains its shape regardless of the container. Which state of matter is it most likely in?

Accepted Answer

Solid

Question 11

Which of the following best explains why gases can be compressed more easily than solids or liquids?

Accepted Answer

Gas particles are far apart and move freely.

Question 12

Which of the following is a property shared by both crystalline and amorphous solids?

Accepted Answer

Definite shape and volume

Question 13

A patient is given a medication in liquid form. Which property of liquids allows the medication to be poured and measured accurately?

Accepted Answer

Liquids assume the shape of their container.

Question 14

Which of the following changes would most likely increase the viscosity of a liquid?

Accepted Answer

Decreasing the temperature

Question 15

A gas is placed in a sealed container and the pressure is doubled. What happens to the volume of the gas, assuming temperature is constant?

Accepted Answer

The volume is halved.

Question 16

Which of the following best describes a crystalline solid?

Accepted Answer

It has a well-organized 3D structure.

Question 17

A scientist observes a substance that flows easily and has moderate compressibility. Which state of matter is the substance most likely in?

Accepted Answer

Liquid

Question 18

Which of the following is NOT a physical property affected by the state of matter?

Accepted Answer

Chemical reactivity

Question 19

A sample of tar is compared to a sample of helium gas. Which statement is true regarding their viscosities?

Accepted Answer

Helium gas has a lower viscosity than tar.

Question 20

Which of the following best describes the volume of a gas in a closed container?

Accepted Answer

It changes to fill the container.

States of Matter: Properties, Classification, and Practice Questions

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