Quiz about Pure Substances, Solutions, Solutes, Solvents Quiz

Question 1

What is matter defined as?

Accepted Answer

Anything with mass that occupies a space

Answer

Anything with mass that occupies no space

Answer

Anything that can be tasted or touched

Answer

Only objects that are visible and solid

Question 2

What is the space that matter occupies called?

Accepted Answer

Volume

Answer

Mass

Answer

Density

Answer

Weight

Question 3

How is the volume of a regular-shaped solid object measured?

Accepted Answer

By multiplying its length by its width by its height

Answer

By measuring the amount of water it displaces

Answer

By weighing the object

Answer

By comparing it to a known volume

Question 4

What must be done to measure the volume of an irregular-shaped solid object?

Accepted Answer

Measure the volume of water it displaces

Answer

Measure its weight and convert it to volume

Answer

Calculate the volume by using a formula for regular shapes

Answer

Estimate the volume based on its appearance

Question 5

Which statement best communicates the definition of matter?

Accepted Answer

Everything in the universe is made of matter.

Answer

The laptop has a mass of 1.7 kg.

Answer

This piece of gum measures about four cubic centimetres and four grams.

Answer

That measuring cup holds up to 1 litre of liquid.

Question 6

What is matter?

Accepted Answer

Anything that has mass and volume

Answer

Only liquids and gases

Answer

Only objects that are visible

Answer

Only solids and liquids

Question 7

Which of the following is NOT an example of matter?

Accepted Answer

A beam of light

Answer

A piece of gum

Answer

A laptop

Answer

A potato

Question 8

How would you measure the volume of an irregular object like a potato?

Accepted Answer

By measuring the amount of water it displaces

Answer

By weighing the potato

Answer

By using a ruler to measure its dimensions

Answer

By comparing it to a similar-shaped object

Question 9

What does the particle theory of matter state about the composition of matter?

Accepted Answer

Matter is made up of tiny particles that are always moving.

Answer

Matter is made up of continuous substances without individual particles.

Answer

Matter is composed of large particles that are static.

Answer

Matter is a single large particle that changes shape and size.

Question 10

According to the particle theory, what determines the strength of the attractive forces between particles?

Accepted Answer

The type of the particles and the distance between them

Answer

The color of the particles

Answer

The size of the particles

Answer

The number of particles

Question 11

What is the significance of the spaces between the particles of matter?

Accepted Answer

They indicate that matter is mostly empty space.

Answer

They are temporary and disappear when matter is solid.

Answer

They signify that particles are not moving.

Answer

They are filled with air at all times.

Question 12

How are elements and compounds considered in the particle theory?

Accepted Answer

They are considered particles in the particle theory.

Answer

They are not considered particles.

Answer

They are considered as continuous substances.

Answer

They are only considered particles when in a gaseous state.

Question 13

What happens to the particles when they are heated according to the EDWIN text?

Accepted Answer

The particles move faster and spread farther apart.

Answer

The particles move slower and get closer together.

Answer

The particles do not change their behavior.

Answer

The particles change into a different type of particle.

Question 14

What is true about the particles of water in a glass of water and the particles of copper in a spool of copper wire, as per the particle theory?

Accepted Answer

All particles of water and copper are identical within their respective substances.

Answer

The particles of water and copper are different in each substance.

Answer

The particles of water are identical, but the particles of copper vary.

Answer

The particles of water and copper do not exist in a glass of water or a spool of copper wire.

Question 15

According to the particle theory, how do particles in solids behave?

Accepted Answer

They are tightly packed, vibrate but stay in one position.

Answer

They are tightly packed and move freely.

Answer

They are very far apart and collide with each other.

Answer

They are close together and slide around each other.

Question 16

How are the particles arranged in liquids based on the particle theory?

Accepted Answer

The particles are still close together but can slide around and past each other.

Answer

The particles are tightly packed and do not move.

Answer

The particles are very far apart and collide frequently.

Answer

The particles are identical and do not interact with each other.

Question 17

What can be inferred about the behavior of particles in gases from the particle theory?

Accepted Answer

The particles are very far apart and collide with each other.

Answer

The particles are tightly packed and vibrate in position.

Answer

The particles are close together and slide past each other.

Answer

The particles do not move and are fixed in space.

Question 18

Based on the particle theory of matter, what would you observe if the water was very cold?

Accepted Answer

The particles would be moving slower and would be closer together.

Answer

The particles would be moving faster and spreading apart.

Answer

The particles would change into a different type of particle.

Answer

The particles would be in a fixed position and not vibrate.

Question 19

What is a mixture according to the particle theory of matter?

Accepted Answer

C) A combination of particles from at least two pure substances that can vary in amount and state.

Answer

A) A substance that contains only one type of atom.

Answer

B) A substance that cannot be chemically combined.

Answer

D) A chemical bond between two elements.

Question 20

What defines a pure substance in scientific terms?

Accepted Answer

C) A substance that contains only one type of atom or molecule.

Answer

A) A substance that is made up of two or more different types of particles.

Answer

B) A substance that contains particles of at least two different elements.

Answer

D) A substance that can be separated into simpler substances by physical means.

Question 21

Why can a compound be considered a pure substance?

Accepted Answer

C) Because it consists of different elements bonded together in a fixed ratio.

Answer

A) Because it is made up of only one type of particle.

Answer

B) Because it can be separated into its elements by physical methods.

Answer

D) Because it is represented using a space-filling model.

Question 22

What is the term "particle" used to refer to in the context of atomic theory?

Accepted Answer

C) To a variety of combinations of atoms and elements.

Answer

A) Only to the smallest unit of a compound.

Answer

B) Only to the smallest unit of an element.

Answer

D) To the visual representation of molecules.

Question 23

What is a mixture according to the particle theory of matter?

Accepted Answer

A) A combination of different substances or types of particles

Answer

B) A pure substance made up of one type of particle

Answer

C) A substance that cannot be broken down into simpler substances

Answer

D) A substance made up of two or more elements that are joined chemically

Question 24

What are the two main groups into which pure substances are classified?

Accepted Answer

B) Elements and compounds

Answer

A) Mixtures and solutions

Answer

C) Solids and liquids

Answer

D) Atoms and molecules

Question 25

Which of the following is an example of a compound?

Accepted Answer

B) Water

Answer

A) Oxygen

Answer

C) Aluminum

Answer

D) Sodium

Question 26

What is the smallest particle of any type of matter that cannot be broken down into simpler substances?

Accepted Answer

C) An atom

Answer

A) A molecule

Answer

B) A compound

Answer

D) A mixture

Question 27

What is table salt an example of?

Accepted Answer

C) A compound

Answer

A) A mixture

Answer

B) An element

Answer

D) A molecule

Question 28

Water is a ______.

Accepted Answer

compound

Answer

mixture

Answer

element

Answer

none of the above

Question 29

Table sugar is a ______.

Accepted Answer

compound

Answer

mixture

Answer

element

Answer

none of the above

Question 30

Sugar water is a ______.

Accepted Answer

mixture

Answer

element

Answer

compound

Answer

none of the above

Question 31

What is a homogeneous mixture?

Accepted Answer

A mixture with components that are impossible to see with the unaided eye and the composition is the same throughout.

Answer

A mixture with easily identifiable parts like orange juice with pulp.

Answer

A mixture where the tiny particles of one substance remain suspended in the medium of another after mixing.

Answer

A mixture where different parts are combined in a way that each part keeps its own properties.

Question 32

What is a colloid?

Accepted Answer

A mixture where the tiny particles of one substance remain suspended in the medium of another after mixing.

Answer

A mixture with components that are impossible to see with the unaided eye and the composition is the same throughout.

Answer

A mixture with easily identifiable parts like orange juice with pulp.

Answer

A mixture where different parts are combined in a way that each part keeps its own properties.

Question 33

What is the Tyndall effect?

Accepted Answer

The scattering of light in a colloid, making the light beam clearly visible within the colloid.

Answer

The process of mixing two substances to form a homogeneous mixture.

Answer

The ability to see the different-colored materials within a heterogeneous mixture.

Answer

The disappearance of solid grains of sugar when mixed with water.

Question 34

What is a mechanical mixture?

Accepted Answer

A mixture where different parts are combined in a way that each part keeps its own properties.

Answer

A mixture with components that are impossible to see with the unaided eye and the composition is the same throughout.

Answer

A mixture where the tiny particles of one substance remain suspended in the medium of another after mixing.

Answer

A mixture with easily identifiable parts like orange juice with pulp.

Question 35

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

Accepted Answer

Sugar water

Answer

Granite

Answer

Orange juice with pulp

Answer

A pencil case with various items

Question 36

What is a homogeneous mixture also known as?

Accepted Answer

A solution

Answer

A compound

Answer

A heterogeneous mixture

Answer

An element

Question 37

Which of the following is NOT a characteristic of a homogeneous mixture?

Accepted Answer

It can be seen with the unaided eye or a microscope.

Answer

It appears the same throughout the whole mixture.

Answer

It has the same properties throughout.

Answer

It is also called a solution.

Question 38

In a heterogeneous mixture, the particles are:

Accepted Answer

Not evenly mixed and can usually be seen as different types of matter.

Answer

Evenly mixed and not visible even under a microscope.

Answer

Scattering light so that a beam of light is not visible as it passes through.

Answer

Only visible when a light is shone through the mixture.

Question 39

How can you tell if a mixture is homogeneous?

Accepted Answer

By only being able to see one type of matter with a microscope.

Answer

By seeing different types of matter with the unaided eye.

Answer

By seeing a beam of light as it passes through the mixture.

Answer

By seeing the mixture scatter light.

Question 40

What is the main difference between homogeneous and heterogeneous mixtures?

Accepted Answer

Homogeneous mixtures do not scatter light, while heterogeneous mixtures do.

Answer

Homogeneous mixtures are liquid, and heterogeneous mixtures are solids.

Answer

Homogeneous mixtures scatter light, and heterogeneous mixtures do not.

Answer

Heterogeneous mixtures are liquid, while homogeneous mixtures are solids.

Question 41

How are particles of matter arranged in homogeneous mixtures?

Accepted Answer

Different particles are evenly distributed.

Answer

Different particles are grouped together and are easily seen.

Answer

All particles are spread far apart because only gases are solutions.

Answer

Different particles are unevenly distributed.

Question 42

What type of mixture is an alloy?

Accepted Answer

A solid homogeneous mixture

Answer

A solid heterogeneous mixture

Answer

A liquid homogeneous mixture

Answer

A gaseous homogeneous mixture

Question 43

Why are alloys used to make the metal bodies for devices like smartphones and tablets?

Accepted Answer

Because mixing two metals together makes the cases stronger than if they were just made from aluminum.

Answer

Because mixing two metals together makes the cases lighter.

Answer

Because mixing two metals together makes the cases more flexible.

Answer

Because mixing two metals together makes the cases cheaper.

Question 44

What is the role of the solvent in a solution?

Accepted Answer

It is the substance in which the solute dissolves.

Answer

It is the substance present in the smallest amount.

Answer

It is the substance that changes state.

Answer

It is the substance that is always a liquid.

Question 45

What is the difference between melting and dissolving?

Accepted Answer

Melting involves the particles of a single substance, while dissolving involves more than one substance.

Answer

Melting involves breaking bonds between particles, while dissolving does not.

Answer

Melting is a chemical change, while dissolving is a physical change.

Answer

Melting can only happen in solids, while dissolving can only happen in liquids.

Question 46

What is the substance called that gets dissolved in a solution?

Accepted Answer

Solute

Answer

Solvent

Answer

Solution

Answer

Mixture

Question 47

Why is water often referred to as the universal solvent?

Accepted Answer

Because it dissolves more substances than any other common solvent.

Answer

Because it can dissolve any substance.

Answer

Because it is the only solvent used in homes and schools.

Answer

Because it is the only substance that can dissolve solids, liquids, and gases.

Question 48

Which of the following is NOT a reason why water is considered the universal solvent?

Accepted Answer

It is the only solvent that exists.

Answer

It dissolves a great number of substances.

Answer

It is commonly used in homes and schools.

Answer

It dissolves more substances than any other common solvent.

Question 49

What type of mixtures are solutions considered to be?

Accepted Answer

Homogeneous Mixtures

Answer

Heterogeneous Mixtures

Answer

Suspensions

Answer

Colloids

Question 50

Which of the following is used to dissolve nail polish, indicating that water is not the only solvent?

Accepted Answer

Ethyl acetate

Answer

Chlorine

Answer

Fluoride

Answer

Turpentine

Question 51

According to the particle theory of matter, what happens to solute particles when they dissolve in a solvent?

Accepted Answer

The solute particles are pulled apart and move between the solvent particles.

Answer

The solute particles combine and become larger.

Answer

The solute particles remain intact and do not interact with the solvent.

Answer

The solute particles evaporate and leave the solvent.

Question 52

What is said about a solute when it dissolves in a particular solvent?

Accepted Answer

It is soluble in that solvent.

Answer

It is insoluble in that solvent.

Answer

It is a solvent in that solute.

Answer

It is the only substance in the solution.

Question 53

What can you do to help a solid dissolve faster in a liquid?

Accepted Answer

Stir the liquid.

Answer

Cool the liquid down.

Answer

Add more solid to the liquid.

Answer

Freeze the liquid.

Question 54

What factor affects how fast a solid dissolves in a liquid related to the size of the solid?

Accepted Answer

Smaller solids dissolve faster because they have more surface area exposed.

Answer

Larger solids dissolve faster because they have more volume.

Answer

The size of the solid does not affect the dissolving rate.

Answer

Only solids of medium size dissolve in liquids.

Question 55

What are the solutes in a drink crystal solution?

Accepted Answer

Sugar, flavour particles, and colour particles

Answer

Water, sugar, and flavour particles

Answer

Sugar, water, and colour particles

Answer

Flavour particles, colour particles, and water

Question 56

What is the solvent in a drink crystal solution?

Accepted Answer

Water

Answer

Sugar

Answer

Flavour particles

Answer

Colour particles

Question 57

Which would dissolve faster, a large solid piece of drink crystal or a powdered form?

Accepted Answer

A powdered form because it has more surface area

Answer

A large solid piece because it has less surface area

Answer

Both dissolve at the same rate

Answer

Neither, as drink crystals do not dissolve in water

Question 58

In a disinfecting solution that is 70% isopropanol and 30% distilled water, which is the solvent?

Accepted Answer

Isopropanol

Answer

Distilled water

Answer

Both are solvents

Answer

Neither, as it is a solid mixture

Question 59

How can you make a solid dissolve more quickly in a solvent?

Accepted Answer

By shaking or stirring the solution

Answer

By decreasing the temperature of the solvent

Answer

By increasing the size of the solid

Answer

By adding more solid to the solution

Question 60

What factors affect the rate of dissolving a solute in a solvent?

Accepted Answer

Temperature of the solvent and size of the solute's crystals

Answer

Color of the solute and temperature of the solvent

Answer

Shape of the container and color of the solvent

Answer

Brand of the solute and whether the solute is stirred

Question 61

How can stirring and shaking influence the rate of dissolving a solute in a solvent?

Accepted Answer

They increase the rate of dissolving

Answer

They have no effect on the rate of dissolving

Answer

They decrease the rate of dissolving

Answer

They change the color of the solution

Question 62

If a solid solute has dissolved completely and cannot be seen, how can we prove that it has not just disappeared?

Accepted Answer

By determining the mass of the solvent and the solute before and after dissolving

Answer

By tasting the solution

Answer

By changing the color of the solution

Answer

By freezing the solution

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