Exploring States of Matter and Solutions

Which of the following best describes the arrangement of particles in a solid?

• Particles are far apart and move freely

• Particles are closely packed in a fixed, orderly pattern

• Particles are loosely arranged and slide past each other

• Particles are not present

What is the process called when a solid changes directly into a gas without passing through the liquid state?

• Condensation

• Sublimation

• Melting

• Freezing

Tags

NGSS.MS-PS1-4

Which of the following is a property of gases according to the kinetic molecular theory?

• Definite shape and volume

• Definite volume but no definite shape

• No definite shape or volume

• Definite shape but no definite volume

Which term describes a solution that contains the maximum amount of solute that can dissolve at a given temperature?

• Unsaturated

• Saturated

• Supersaturated

• Dilute

What is the pH of a neutral solution at 25°C?

• 0

• 3

• 7

• 14

Which of the following is an example of an acid-base neutralization reaction?

Tags

NGSS.MS-PS1-5

Which indicator turns red in acidic solutions?

• Phenolphthalein

• Methyl orange

• Litmus

• Bromothymol blue

Which of the following is NOT a factor that affects the solubility of a solid in a liquid?

• Temperature

• Pressure

• Nature of solute and solvent

• Color of the solute

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which property is characteristic of liquids but not solids?

• Definite shape

• Definite volume

• Ability to flow

• Fixed particle positions

Tags

NGSS.MS-PS1-4

Which of the following best describes a supersaturated solution?

• Contains less solute than can dissolve

• Contains the maximum amount of dissolved solute

• Contains more dissolved solute than is normally possible at that temperature

• Contains no solute