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MCQs — Matter

Practice questions for Chemistry.

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Question 1

Matter is defined as anything that:

A. Has only mass but no space

B. Has mass and occupies space

C. Has only volume but no mass

D. Cannot be seen or touched

Question 2

Which state of matter has a definite shape and a definite volume?

A. Liquid

B. Gas

C. Plasma

D. Solid

Question 3

Which state of matter has a definite volume but takes the shape of its container?

A. Liquid

B. Solid

C. Gas

D. Plasma

Question 4

Which state of matter has neither a definite shape nor a definite volume?

A. Solid

B. Liquid

C. Gas

D. Plasma

Question 5

The fourth state of matter, made up of ionized particles, is called:

A. Plasma

B. Solid

C. Liquid

D. Bose-Einstein condensate

Question 6

Which state of matter is commonly found in stars and lightning?

A. Solid

B. Liquid

C. Gas

D. Plasma

Question 7

Among solids, liquids and gases, which state generally has the highest density?

A. Liquid

B. Gas

C. Solid

D. Plasma

Question 8

The property that describes how easily a substance's volume can be reduced under pressure is called:

A. Fluidity

B. Compressibility

C. Density

D. Viscosity only

Question 9

Why are gases much more compressible than solids?

A. Gas particles are heavier than solid particles

B. Gas particles are fixed in position

C. Gases have no particles at all

D. Gas particles are far apart with lots of empty space between them

Question 10

The ability of a substance to flow and take the shape of its container is called:

A. Compressibility

B. Fluidity

C. Density

D. Rigidity

Question 11

Why can liquids and gases flow while solids generally cannot?

A. Solids have no particles

B. Liquids and gases have no mass

C. Particles in liquids and gases can move past one another, while particles in solids are fixed in position

D. Solids are always hotter than liquids

Question 12

Properties of matter that can be observed without studying individual particles, such as colour and volume, are called:

A. Macroscopic properties

B. Microscopic properties

C. Nuclear properties

D. Chemical-only properties

Question 13

Properties that describe the behaviour and arrangement of individual atoms or molecules are called:

A. Macroscopic properties

B. Microscopic properties

C. Physical-only properties

D. Visible properties

Question 14

The direct change of a solid into a gas, without passing through the liquid state, is called:

A. Deposition

B. Condensation

C. Melting

D. Sublimation

Question 15

The direct change of a gas into a solid, without passing through the liquid state, is called:

A. Deposition

B. Sublimation

C. Evaporation

D. Freezing

Question 16

How does condensation differ from evaporation?

A. Condensation is a solid changing into a gas, while evaporation is a gas changing into a solid

B. They are exactly the same process

C. Condensation is a gas changing into a liquid, while evaporation is a liquid changing into a gas

D. Condensation only happens in solids

Question 17

A state of matter formed at temperatures extremely close to absolute zero, where a group of atoms behaves as a single quantum entity, is called a:

A. Plasma

B. Bose-Einstein condensate

C. Superfluid

D. Colloid

Question 18

The property of a fluid that allows it to flow with zero resistance or viscosity is called:

A. Superfluidity

B. Superconductivity

C. Sublimation

D. Compressibility

Question 19

A material that can conduct electric current with zero electrical resistance at very low temperatures is called a:

A. Semiconductor

B. Insulator

C. Superfluid

D. Superconductor

Question 20

Dry ice (solid carbon dioxide) left in the open turns directly into carbon dioxide gas without forming a liquid. This change is an example of:

A. Deposition

B. Condensation

C. Sublimation

D. Melting

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📌 MCQs — FAQs

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