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![Selina solutions for Concise Physics [English] Class 6 ICSE chapter 1 - Matter - Shaalaa.com](/images/concise-physics-english-class-6-icse_6:a1d164c7b3a94be69d1611b80e82a122.jpg "Selina solutions for Concise Physics [English] Class 6 ICSE chapter 1 - Matter")
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Solutions for Chapter 1: Matter
Below listed, you can find solutions for Chapter 1 of CISCE Selina for Concise Physics [English] Class 6 ICSE.
Selina solutions for Concise Physics [English] Class 6 ICSE 1 Matter Objective questions
Write true or false for the statement
The molecules of each substance are identical.
True
False
Write true or false for the following statement
The inter-molecular forces are effective at all distances between the two molecules.
True
False
Write true or false For the following Statement
The molecules in a substance arc in random motion.
True
False
Write true or false for the following statement
In a gas, the molecules can move anywhere in space.
True
False
Write true or false for the following statement
The liquids are less viscous than the gases.
True
False
Fill in the blank
All the molecules of a substance are .............
Fill in the blank
The inter-molecular spacing is .......... in solids ........... in liquids and ............... in gases.
Fill in the blank
The molecular motion in liquid and gas is in ................. path.
Fill in the blank
In a solid, the molecules ............................................ but they remain at their fixed positions.
Fill in the blank
The inter-molecular forces are the weakest in ...............
Fill in the blank
A solid exerts pressure .....................
Fill in the blank
The gases are .......... dense.
Fill in the blank
A solid is ............ rigid.
Select the correct alternative
The diameter of a molecule is approximately
1 cm
10 cm
10-10 m
1 m
Select the correct alternative
The inter-molecular forces are strongest in
solids
liquids
gases
both (i) and (ii)
Select the correct alternative
The molecules ____________
in solid, liquid and gas, move freely anywhere.
in a solid, move freely within its boundary.
in a liquid, move within its boundary.
in a gas, move only within its boundary.
Select the correct alternative
The solids are
more dense
less dense
least dense
highly compressible
Select the correct alternative
The inter-molecular forces in liquids are
as strong as in solids
stronger than in solids
weaker than in solids
weaker than in gases
Match the following columns
| Column A | Column B | ||
| A. | A molecule is composed of | i. | does not exist free in nature. |
| B. | Ice, water and water vapour | ii. | can vibrate only up to about `10^-10`m from their mean position. |
| C. | An atom | iii. | atoms. |
| D. | Gases | iv. | are the three states of water. |
| E. | The molecules of a solid | v. | occupy space |
Selina solutions for Concise Physics [English] Class 6 ICSE 1 Matter Short/Long answer questions
Define matter. What is its composition?
Name the three states of matter.
What is a molecule?
What is the approximate size of a molecule?
One litre of water has 6.02 × 1026 molecules. Estimate the size of a molecule.
What do you mean by inter-molecular spacing?
Describe a simple experiment to illustrate the existence of inter-molecular spacing.
What do you mean by inter-molecular forces?
What are the forces of cohesion and adhesion?
State three characteristics of molecules of matter.
State the approximate spacing between two molecules of a matter.
How do the solids, liquids, and gases differ in their following properties.
(a) Size
(b) Shape
(c) Density
The molecules in a substance are in motion. What type of path do they follow?
Describe a simple experiment to illustrate that molecules are not at rest, but they constantly move.
Write down five general properties of solids, liquids, and gases.
Give the molecular model for a solid and use it to explain why a solid has a definite volume and a definite shape.
Describe the molecular model for a liquid. I-low does it explain that a liquid has no definite shape, but has a definite Volume?
A gas has neither a definite volume nor a definite shape. Describe the molecular model to explain it.
Distinguish between the three states of matter—solid, liquid, and gas on the basis of their molecular models
Distinguish between solids, liquids, and gases on the basis of their following properties :
(a) compressibility
(b) fluidity
(c) rigidity
(d) expansion on heating
What do you mean by the change of state of matter?
Explain the change of a solid into a liquid at a constant temperature.
Explain the change of a liquid into a gas at a constant temperature.
Selina solutions for Concise Physics [English] Class 6 ICSE 1 Matter Additional questions
Define matter.
What is volume?
What is mass?
If an object weighs 6 kg on earth. What will be its weight on moon?
If an object is taken to the moon from the earth what will be its mass?
Name the smallest particle from which matter is made up.
What are molecules?
Give one difference between atoms and molecules.
Define the Intermodular force of attraction.
Define Intermodular space.
Classify the following into solids, liquids, and gases. Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Why do solids, liquids, and gases differ in their physical states?
What are fluids? Give two examples.
Define interconversion of states of matter.
What are the two conditions for the interconversion of states of matter?
How a liquid changes into its gaseous state? Explain?
Water cycle is an example of interconversion of states of water. Explain.
State the general properties of a solid.
What is the relation between intermolecular space and intermolecular force?
Why liquids do not have definite shape?
What happens when a solid is heated?
Give a reason for the Gases can be compressed easily.
Give a reason for the Liquids can flow easily.
Give a reason for the We need to classify things.
Give a reason for the Pure substances have fixed melting or boiling points.
Give a reason for the Electricity is not considered matter.
Define Matter.
Define Intermolecular force
Define Element.
Define the Atom.
Define Molecule.
Write your observation and conclusion for the following:
When a small stone is gently dipped into a glass filled with water.
Write your observation and conclusion for the following:
When one of the balloons suspended to the metre scale is punctured while other remains inflated?
Give reason :
Why do liquids and gases flow but solids do not?
Give reason :
A gas fills up the space available to it.
Give reason :
The odour of scent spreads in a room.
Give reason :
We can walk through air.
Give reason :
Liquids have a definite volume but no definite shape.
Give reason :
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.
Give reason :
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
Give reason :
A red ink drop added to a small amount of water in a glass turns water red in some time.
Differentiate between the following:
Liquids and gases
Differentiate between the following:
Atoms and molecules
Selina solutions for Concise Physics [English] Class 6 ICSE 1 Matter Objective type questions 1
Fill in the blank
Water is a matter because it has ............ and occupies ............
Fill in the blank
Any matter which has a definite ................. but no definite shape is called a ...............
Fill in the blank
......... can flow.
Fill in the blank
The molecules are at a greater distance in ........ compared to liquids.
Fill in the blank
Water boils at .............
Fill in the blank
The physical state of a substance, which has a fixed volume but no fixed shape is ...............
Fill in the blank
All matter is made up of tiny particles called .................
Fill in the blank
Liquids have a definite ............
Fill in the blank
The temperature at which a liquid boils is called the ................. point of that liquid.
Fill in the blank
Molecules in a ............ are packed very closely.
Fill in the blank
Liquids have no definite ...........
Fill in the blank
When a gas is cooled, its molecules .............. energy.
Fill in the blank
Matter is anything that has .......... and occupies ...........
Write whether the following statement is true or false.
Only water can exist in three different states.
True
False
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
True
False
Write whether the following statement is true or false.
Solids have the largest inter-molecular space.
True
False
Write whether the following statement is true or false.
There is no difference between evaporation and boiling.
True
False
Write whether the following statement is true or false
All solids, on heating, first change to the liquid and then to the gaseous state always.
True
False
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
True
False
Write whether the following statement is true or false.
A gas has no free surface.
True
False
Write whether the following statement is true or false.
Intermolecular force of attraction is greater in gases than in liquids.
True
False
Write true or false for the statement. Rewrite the false statements correctly.
Matter cannot exist in different states.
True
False
Write true or false for the statement. Rewrite the false statement correctly.
If the intermolecular space is more than the intermolecular force will be weaker.
True
False
Write true or false for the statement. Rewrite the false statement correctly.
Solids and liquids can flow.
True
False
Write true or false for the statement. Rewrite the false statement correctly.
Solids can be compressed easily.
True
False
Write true or false for the statement. Rewrite the false statement correctly.
The smallest part of an element capable of independent existence is called an atom.
True
False
Write true or false for the statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
True
False
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles move about very quickly.
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles are quite close together.
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles are far apart and move in all directions.
Match the following
| Column A | Column B |
| (a) Solids | (i) Can flow in all directions |
| (b) Sublimation | (ii) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (iii) Any number of free surfaces. |
| (d) Gases | (iv) Gaps between particles. |
| (e) Intermolecular space | (v) Changes of state from solid to gas. |
Match the column.
| Column A | Column B |
| 1. iron and gold | a. molecules are very far apart |
| 2. melting | b. pure substance |
| 3. intermolecular space | c. non-metals |
| 4. compound | d. the space between the molecules |
| 5. gases | e. changes from solid to liquid |
| f. metals |
Name the phenomenon which cause the following change.
Formation of water vapour from water.
Name the phenomenon which cause the following change.
Disappearance of camphor.
Name the phenomenon which cause the following change.
Conversion of ice into water.
Name the phenomenon which cause the following change.
Conversion of water into steam.
Give two examples for of the following
Substances which sublime.
Give two examples for of the following
Substances which do not change their states.
Give two examples for of the following
Substances which are rigid and not compressible.
Selina solutions for Concise Physics [English] Class 6 ICSE 1 Matter Objective type questions 2
Multiple choice question.
Which one is a kind of matter:
light
petroleum
sound
heat
Multiple choice question.
The state of matter which has no definite shape or volume is called
solid
liquid
gas
water
Multiple choice question.
There are large intermolecular gaps in
water
iron ball
common salt
air
Multiple choice question.
All kinds of matter
occupy space and have definite mass
have mass and definite shape
can change their states
have definite volume
Multiple choice question.
A kind of matter which can sublime is
water
plastic
milk
iodine
Multiple choice question.
A substance which can change its state
wood
oxygen
paper
cloth
Multiple choice question.
The process by which a solid changes into a liquid is called
Freezing
melting
condensation
evaporation
Multiple choice question.
A solid is a state of matter that has
no definite shape.
large intermolecular space.
high intermolecular force of attraction.
no definite volume.
Multiple choice question.
Which of the following is a property of the liquids?
they can flow
they are malleable
they have a definite shape
they are rigid
Multiple choice question.
Gases
cannot be compressed easily.
occupy the entire space of the container.
have definite shapes.
cannot flow.
Solutions for 1: Matter
Selina solutions for Concise Physics [English] Class 6 ICSE chapter 1 - Matter
Shaalaa.com has the CISCE Mathematics Concise Physics [English] Class 6 ICSE CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Selina solutions for Mathematics Concise Physics [English] Class 6 ICSE CISCE 1 (Matter) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Selina textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Concise Physics [English] Class 6 ICSE chapter 1 Matter are Composition of Matter, States of Matter, Matter (Substance), Characteristics of Particles (Molecules) of Matter, The Solid State, The Liquid State, The Gaseous State, Heat and change of physical state, Concept of Melting (Fusion), Concept of Boiling (Vaporization).
Using Selina Concise Physics [English] Class 6 ICSE solutions Matter exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Selina Solutions are essential questions that can be asked in the final exam. Maximum CISCE Concise Physics [English] Class 6 ICSE students prefer Selina Textbook Solutions to score more in exams.
Get the free view of Chapter 1, Matter Concise Physics [English] Class 6 ICSE additional questions for Mathematics Concise Physics [English] Class 6 ICSE CISCE, and you can use Shaalaa.com to keep it handy for your exam preparation.
