Matter

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

States of Matter

Subtopic

States of Matter under Matter for Grade 6 ICSE.

Preview questions (no answers)

1.
$Which of the following is a characteristic of solids?$
A. $Large intermolecular spaces$
B. $Weak intermolecular forces$
C. $Definite volume$
D. $High fluidity$
2.
$The process of a liquid changing into a gas at its boiling point is called:$
A. $Sublimation$
B. $Condensation$
C. $Boiling$
D. $Melting$
3.
$What kind of substance is Ammonium Chloride, considering it turns into gas on heating?$
A. $Magnetic substance$
B. $Sublimable substance$
C. $Liquid substance$
D. $Incompressible substance$
4.
$Which of the following is NOT an example of matter?$
A. $Pen$
B. $Water$
C. $Friendship$
D. $Air$
5.
$The provided diagram illustrates gas molecules moving randomly and striking the internal surface of a closed container. According to the kinetic theory of matter, which physical property of a gas is directly caused by these continuous molecular collisions?$
A. $Thermal expansion$
B. $Gas pressure$
C. $Cohesive force$
D. $Intermolecular space$
6.
$Which of the following is the most appropriate reason for the rigid nature of solids?$
A. $Strong cohesive forces$
B. $Lack of mass$
C. $Presence of large gaps between molecules$
D. $Random motion of particles$
7.
$The transition from the solid state to the liquid state is also called:$
A. $Vaporization$
B. $Fusion$
C. $Solidification$
D. $Condensation$
8.
$When water changes into steam, which of the following remains unchanged?$
A. $The distance between molecules$
B. $The kinetic energy of molecules$
C. $The mass of the substance$
D. $The density of the substance$
9.
$What is the relationship between the speed of diffusion and the state of matter?$
A. $Gases diffuse the slowest because they are far apart.$
B. $Solids diffuse the fastest because they are dense.$
C. $Gases diffuse the fastest because of high kinetic energy and large spaces.$
D. $Liquids and solids diffuse at the same rate.$
10.
$If the intermolecular forces in a substance are extremely strong, which of the following is most likely to be true about the substance at room temperature?$
A. $It will be a gas.$
B. $It will be a liquid.$
C. $It will be a solid.$
D. $It will be in a plasma state.$

Download the worksheet for Matter - States of Matter to practice offline. It includes additional chapter-level practice questions.

Properties of Solids, Liquids, and Gases

Subtopic

Properties of Solids, Liquids, and Gases under Matter for Grade 6 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$What happens to the molecules of a liquid when it is cooled to its freezing point?$
A. $They move faster$
B. $They move closer and slow down$
C. $They escape into the air$
D. $They disappear$
2.
$The melting point of ice is:$
A. $100^\circ C$
B. $0^\circ C$
C. $50^\circ C$
D. $-10^\circ C$
3.
$In which state of matter is the intermolecular space the least?$
A. $Liquid$
B. $Solid$
C. $Gas$
D. $Vapor$
4.
$A sponge can be compressed even though it is a solid because:$
A. $It is a liquid in disguise$
B. $It has air trapped in its pores$
C. $Its molecules are far apart$
D. $It has no mass$
5.
$When a solid is heated, it generally expands. This expansion is due to:$
A. $Increase in the number of molecules$
B. $Increase in the size of each molecule$
C. $Increase in the intermolecular space between molecules$
D. $Increase in the mass of the molecules$
6.
$Why can liquids take the shape of the container they are poured into?$
A. $Because they have very strong intermolecular forces$
B. $Because their particles are fixed in one place$
C. $Because their particles can move and slide past one another$
D. $Because they have no volume$
7.
$What is the phenomenon where two different types of matter mix on their own called?$
A. $Evaporation$
B. $Diffusion$
C. $Condensation$
D. $Sublimation$
8.
$Which property of a gas allows it to be used in compressed natural gas (CNG) cylinders for vehicles?$
A. $Low density$
B. $High compressibility$
C. $Fixed shape$
D. $Lack of intermolecular forces$
9.
$CO_2$
A. $To keep it in the liquid state.$
B. $To prevent it from subliming into gas at room temperature.$
C. $To increase its temperature.$
D. $To make it less dense.$
10.
$A crystal of potassium permanganate is placed at the bottom of a beaker of water. After some time, the whole water turns purple. This is due to:$
A. $Sublimation$
B. $The movement of water molecules only.$
C. $The movement of both potassium permanganate and water molecules (diffusion).$
D. $Chemical reaction between the two.$

Download the worksheet for Matter - Properties of Solids, Liquids, and Gases to practice offline. It includes additional chapter-level practice questions.

Change of State of Matter

Subtopic

Change of State of Matter under Matter for Grade 6 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$What is the effect of increasing temperature on intermolecular space?$
A. $It increases$
B. $It decreases$
C. $It remains unchanged$
D. $It becomes zero$
2.
$In which state of matter can the particles slide over each other but stay close?$
A. $Solid$
B. $Liquid$
C. $Gas$
D. $Vapor$
3.
$The temperature at which water changes into water vapor rapidly is its:$
A. $Freezing point$
B. $Boiling point$
C. $Melting point$
D. $Sublimation point$
4.
$When a substance changes from a liquid to a solid, its molecules:$
A. $Move further apart$
B. $Come closer together$
C. $Move faster$
D. $Gain energy$
5.
$During the conversion of a liquid to a gas at its boiling point, why does the temperature not rise even though heat is added?$
A. $The heat is being used to break the bonds of attraction between molecules$
B. $The thermometer stops working at high temperatures$
C. $The liquid is reflecting all the heat energy$
D. $The molecules are losing energy as fast as they gain it$
6.
$Which of the following states of matter takes the shape of the container it is placed in, but has a fixed volume?$
A. $Liquid$
B. $Solid$
C. $Gas$
D. $None of these$
7.
$If we increase the temperature of a liquid, what happens to its rate of evaporation?$
A. $It increases$
B. $It decreases$
C. $It stops$
D. $It remains the same$
8.
$Which of the following processes represents an increase in the randomness (disorder) of the particles?$
A. $Condensation$
B. $Freezing$
C. $Deposition$
D. $Vaporization$
9.
$The temperature at which a liquid changes into a solid is called its freezing point. For a pure substance, this temperature is the same as its:$
A. $Boiling point$
B. $Sublimation point$
C. $Melting point$
D. $Dew point.$
10.
$Which factor does NOT directly influence the boiling point of a pure liquid?$
A. $External atmospheric pressure$
B. $Nature of the liquid$
C. $The amount of the liquid present$
D. $Presence of impurities$

Download the worksheet for Matter - Change of State of Matter to practice offline. It includes additional chapter-level practice questions.

Matter

States of Matter

❓Preview questions (no answers)

Properties of Solids, Liquids, and Gases

❓Preview questions (no answers)

Change of State of Matter

❓Preview questions (no answers)

Preview questions (no answers)

Preview questions (no answers)

Preview questions (no answers)