Matter and Its Properties: Interactive Learning Quizzes for Chemistry Students

Question 1

Which of the following is considered a pure substance?

Accepted Answer

Iron

Answer

Tap water

Answer

Seawater

Answer

Air

Question 2

Which of the following is **not** considered a state of matter?

Accepted Answer

Energy

Answer

Solid

Answer

Liquid

Answer

Gas

Question 3

Which of the following is a **physical** property of matter?

Accepted Answer

Density

Answer

Flammability

Answer

Toxicity

Answer

Acidity

Question 4

Which of the following is a characteristic of a **homogeneous mixture**?

Accepted Answer

Uniform appearance

Answer

Variable composition

Answer

Different densities

Answer

Can be separated by filtration

Question 5

Which of the following is the **smallest unit** of an element that retains its chemical identity?

Accepted Answer

Atom

Answer

Molecule

Answer

Ion

Answer

Proton

Question 6

The property of a substance to undergo a change in its chemical composition is known as a:

Accepted Answer

Chemical property

Answer

Physical property

Question 7

Which of the following is an example of a homogeneous mixture?

Accepted Answer

Salt water

Answer

Gold

Answer

Water

Question 8

A uniform mixture of two or more substances in which the particles are evenly dispersed throughout is called a:

Accepted Answer

Solution

Answer

Colloid

Answer

Suspension

Question 9

Which of the following is characteristic of colloids?

Accepted Answer

Tyndall effect

Answer

High viscosity

Answer

Low boiling point

Question 10

The conversion of a gas to a liquid is called:

Accepted Answer

Condensation

Answer

Evaporation

Answer

Sublimation

Answer

Freezing

Question 11

The process of separating a solid from a liquid using a filter paper is called:

Accepted Answer

Filtration

Answer

Distillation

Answer

Evaporation

Answer

Chromatography

Question 12

Which of the following is a characteristic of crystalline solids?

Accepted Answer

Regular arrangement of particles

Answer

Isotropic properties

Answer

High melting point

Question 13

The property of a substance to resist flow is known as:

Accepted Answer

Viscosity

Answer

Density

Answer

Surface tension

Answer

Hardness

Question 14

Which of the following techniques can effectively separate a mixture of sand and iron filings?

Accepted Answer

Filtration

Answer

Distillation

Answer

Chromatography

Answer

Sublimation

Question 15

Which property listed below is NOT a physical property?

Accepted Answer

Reactivity

Answer

Density

Answer

Melting point

Answer

Solubility

Question 16

Identify the major component of a solution:

Accepted Answer

Solvent

Answer

Solute

Answer

Suspension

Answer

Dispersant

Question 17

Identify the process involving a physical change:

Accepted Answer

Melting ice

Answer

Burning wood

Answer

Rusting iron

Answer

Digesting food

Question 18

Which scenario exemplifies sublimation, the direct transformation of a solid into a gas?

Accepted Answer

Dry ice (solid carbon dioxide) vanishing at room temperature

Answer

Water vapor forming on a cold surface

Answer

Ice melting into liquid water

Answer

Sodium chloride dissolving in water to form a solution

Question 19

Which property is NOT characteristic of matter?

Accepted Answer

Perception

Answer

Mass

Answer

Volume

Question 20

In which state of matter do particles have a fixed volume and shape?

Accepted Answer

Solid

Answer

Plasma

Answer

Gas

Answer

Liquid

Question 21

In a solution, the component that is present in a lesser amount is known as the:

Accepted Answer

Solute

Answer

Solvent

Answer

Suspension

Answer

Emulsion

Question 22

A heterogeneous mixture is characterized by:

Accepted Answer

Non-uniform composition

Answer

Uniform composition

Answer

Single phase

Answer

Homogeneous appearance

Question 23

Which substance exhibits the Tyndall effect?

Accepted Answer

Colloid

Answer

Emulsion

Answer

Solution

Answer

Suspension

Question 24

The density of a substance is defined as its:

Accepted Answer

Mass per unit volume

Answer

Mass multiplied by volume

Answer

Volume divided by mass

Answer

Volume per unit mass

Question 25

Which of the following processes is irreversible?

Accepted Answer

Chemical reaction

Answer

Evaporation

Answer

Melting

Answer

Freezing

Question 26

The law of conservation of mass implies that:

Accepted Answer

The total mass in an isolated system remains constant.

Answer

Mass can be created from energy.

Answer

Mass is lost during chemical reactions.

Question 27

Which unit is used to express the pressure exerted by a gas?

Accepted Answer

Pascal

Answer

Kelvin

Answer

Hertz

Answer

Joule