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NCERT Solutions for Class 9 Science Chapter 1

NCERT Solutions for Class 9 Science Chapter 1 - Matter in Our Surroundings

Vedantu.com - No.1 online tutoring company in India provides you the Free PDF download of NCERT Solutions for Class 9 Science (Chemistry) Chapter 1 - Matter in Our Surroundings solved by Expert Teachers as per NCERT (CBSE) Book guidelines. All Chapter 1 - Matter in Our Surroundings Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks. Register for our free webinar class with a best Science tutor in India. Every NCERT Solution is provided to make the study simple and interesting.Subjects like Science, Maths, English will become easy to study if you have access to NCERT Solution for Class 9 Science , Maths solutions and solutions of other subjects. You can also download NCERT Solutions for Class 9 Maths to help you to revise complete syllabus and score more marks in your examinations.

NCERT Solutions for Class 9 Science Chapter 1 Matter in Our Surroundings part-1
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FAQ (Frequently Asked Questions)

Q 1: What are the states of matter? explain the properties of matter.

Ans: States of matter are mainly of 3 forms, they are solid, liquid and gas. 

 

Property 

Solid

Liquid

Gas

Shape and volume

Fixed shape and volume

No fixed shape but has volume

Neither definite shape nor volume

Energy

Lowest

Medium

Highest

Compressibility

Difficult

Nearly difficult

Easy

Arrangement of molecules

Regular and closely arranged

Random and little sparsely arranged

Random and more sparsely arranged

Fluidity

Cannot flow

Flows from higher to lower level

Flows in all directions

Movement

Negligible

Depends on interparticle attraction

Free, constant and random

Interparticle space

Very less

More

Large

Interparticle attraction

Maximum

Medium

Minimum

Density

Maximum

Medium

Minimum

Rate of diffusion

Negligible

It depends on interparticle attraction.

Maximum

Q 2: What will I learn in this chapter?

Ans: Matter in our surroundings explains you of various Physical Nature of Matter, Matter is made up of particles, How small are these particles of Matter?, Characteristics of Particles of Matter, Particles of Matter have space between them and Particles of Matter are continuously moving. The chapter explains how different matters change their state under different temperature and pressure. All-cause and effect resulting in the change of state of the matter are explained in a very simplified manner for you to understand.


You will also come across Particles of Matter attract each other, the States of Matter, The solid-state, The liquid state, The gaseous state, Can Matter Change Its State?, Effect of change of temperature, Effect of change of pressure, Evaporation, Factors affecting evaporation, How does evaporation cause cooling?.

Q 3: Can I improve my grades with Vedantu’s study guide?

Ans: Yes, you can improve your grades with our help. We at Vedantu have a team of experts who understand the academic needs and requirements of students. The study material provided by Vedantu is crafted as per the latest syllabus and is made available to everybody through our online portal.


Our solutions and study guide are designed by our subject-matter experts in a step by step way for easy and better understanding of the concept. We made sure that CBSE and NCERT guidelines are strictly followed while drafting these solutions. All the topics are explained in detail to make it more clear for you.

Q 4: Explain the characteristics of particles of matter.

Ans: Matter is a particle which occupies space and consists of mass. You may consider things which you can see, hear, touch, smell and taste as matter. They are made up of very tiny particles which even cannot be seen with your own eyes. Various properties of matter are: 

  • Particles of matter have spaces between them.

  • Particles of matter are always in motion.

  • Particles of matter attract each other. 

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