liquids

Question 1

What is a liquid?

Answer 1

A state of matter that has a definite volume but no definite shape.

Question 2

True or False: Liquids can be compressed easily.

Answer 2

False

Question 3

Fill in the blank: The intermolecular forces in liquids are ______ than in solids but stronger than in gases.

Answer 3

weaker

Question 4

What property of liquids allows them to flow?

Answer 4

Viscosity

Question 5

Name the process by which a liquid turns into a gas.

Answer 5

Evaporation

Question 6

What is the term for the surface tension of a liquid?

Answer 6

The cohesive forces between liquid molecules at the surface.

Question 7

True or False: All liquids have the same viscosity.

Answer 7

False

Question 8

What is the boiling point of water at standard atmospheric pressure?

Answer 8

100 degrees Celsius

Question 9

Fill in the blank: The temperature at which a liquid turns into a solid is called the ______.

Answer 9

freezing point

Question 10

Which of the following is NOT a characteristic of liquids? A) Definite volume B) Definite shape C) Fluidity

Answer 10

B) Definite shape

Question 11

What is capillary action?

Answer 11

The ability of a liquid to flow in narrow spaces without the assistance of external forces.

Question 12

True or False: Liquids have a fixed shape.

Answer 12

False

Question 13

What is the term for the resistance of a liquid to flow?

Answer 13

Viscosity

Question 14

What is the general effect of temperature on the viscosity of liquids?

Answer 14

As temperature increases, viscosity decreases.

Question 15

Fill in the blank: The process of a liquid changing into a solid is called ______.

Answer 15

freezing

Question 16

What is the density of a liquid?

Answer 16

Mass per unit volume of the liquid.

Question 17

Which liquid has the highest surface tension?

Answer 17

Water

Question 18

True or False: All liquids are transparent.

Answer 18

False

Question 19

What is the term for the temperature at which a liquid boils?

Answer 19

Boiling point

Question 20

What phenomenon occurs when a liquid is cooled below its freezing point without solidifying?

Answer 20

Supercooling

Question 21

Fill in the blank: A liquid’s ability to maintain a constant volume regardless of the shape of its container is known as ______.

Answer 21

incompressibility

Question 22

What unit is commonly used to measure the viscosity of liquids?

Answer 22

Pascal-second (Pa·s)

Question 23

True or False: Liquids can have varying densities.

Answer 23

True

Question 24

What is the term for the pressure exerted by a vapor in equilibrium with its liquid?

Answer 24

Vapor pressure

Question 25

What happens to the boiling point of a liquid when atmospheric pressure decreases?

Answer 25

The boiling point decreases.

Question 26

Fill in the blank: A liquid's ability to resist an external force and maintain its shape is known as ______.

Answer 26

surface tension