IIT Kgpian | Civil Engineer | Loves meditation, cooking and writing articles on contemporary events.

Shashank Rajak

This is a course on Chemistry for class 9th.This course covers the entire syllabus of Chemistry portion in a lucid and elaborate manner.

Learn all the basic concepts of Class IX to build a strong foundation for your future learning curve.

CBSE Class 9

Hindi

(Hindi) NCERT Chemistry Class 9 Summary

Class IX

Chemistry

Crash Course

Matter - Nature & Behaviour

Science

Class 6-12

Become a topper in your school and ace your board exams by learning from best educators in the country

CBSE

CBSE (Central Board of Secondary Education)

This lessons presents an overview of the entire course with the aim of taking this course and the list of the topics included.

Course Overview (in Hindi)

This lesson covers the definition of matter, its physical properties, the process of diffusion, different states of matter i.e. solid, liquid and gas.

Matter in Our Surroundings - Definition, Properties and States of Matter (in Hindi)

This lesson deals with the different process by which a matter can change its state e.g. melting, boiling, sublimation etc. It also deals with the process of evaporation and various factors affecting evaporation.

Matter in Our Surroundings - Change in States of Matter (in Hindi)

This is the first part of lessons on "Is matter around us pure". This lesson talks about the notion of pure matter, classification of matter, mixtures and it's classification, solution and it's properties, alloys and it also explain to calculate the concentration of a solution.

Is Matter Around Us Pure? - Classification of Matter and Mixtures (in Hindi)

This is the second part of lessons on "Is matter around us pure". This lesson deals with the suspension, colloid and their properties. It also introduces the Tyndall effect. Then it deals with the pure  substances i.e. elements and compounds. It also presents a detailed comparison of compounds and mixtures.

Is Matter Around Us Pure - Suspension, Colloid, Elements and Compounds (in Hindi)

This lesson deals with the different techniques to separate out the components of a mixture. It deals with the process of centrifugation and it's application. It also deals with separation of two immiscible liquids and the  separation by using sublimation.

Separation of Components of Mixture - Centrifugation, Sublimation and Immiscible Liquids (in Hindi)

This lesson deals with the separation of components of a mixture. It deals with the process of chromatography and it's applications, distillation, fractional distillation and it's applications, crystalization and it's applications.

Separation of Components of Mixture - Chromatography, Distillation, Crystallization (in Hindi)

This is a first part of lessons on Atoms and Molecules. This lesson deals with the historical background of the atom, Laws of Chemical Combination and Dalton's Atomic Theory.

Atoms and Molecules - Laws of Chemical Combination and Dalton's Atomic Theory (in Hindi)

This is the second part of lessons on Atoms and Molecules which deals with the three important species of matter Atoms, Molecules and Ions. It also deals with Symbolic representation of Atoms, atomicity, and Atomic mass.

Atoms and Molecules - Definition, Symbols of Atoms and Atomic Mass (in Hindi)

This is the third and last part of the lessons on Atoms and Molecules. After watching this lesson the learners would be able to write chemical formula of any chemical compound, calculate the molecular mass and formula unit mass. This lesson also throws light on the basic introduction to the Mole Concept.

Atoms and Molecules - Chemical Formula, Molecular Mass and Mole Concept (in Hindi)

This is the first part of lessons on Structure of the Atom. It starts with the fundamental question about divisibility of an atom and then deals with the sub-atomic particles i.e. electrons and  protons. It then discuss the Thomson's Model of an atom.

Structure of the Atom - Electrons, Protons and Thomson's Model of Atom (in Hindi)

This is the second part of the lessons on Structure of the Atom. It continues with the different models of an atom and deals with Rutherford's Nuclear Model and Bohr's Model of Atom. It also introduces you to Neutrons.

Structure of the Atom - Rutherford's Model and Bohr's Model of Atom, Neutrons (in Hindi)

This lesson explains the distribution of electrons in various orbits, valency and the various methods to achieve the octet, isotopes and isobars.

Structure of the Atom - Electronic Configuration, Valency, Isotopes and Isobars (in Hindi)

Electronics and communication Engineer || teach: chemistry for IX- XII (IITJEE)  || hobbies : books, music,fabric painting

Hajrah Khan

This course will cover class 9th and 10 all chemistry lessons of NCERT. All the lessons are covered with key points and relevant details. In this course, Hajrah Khan has discussed few important topics of class 9th ncert chemistry. This course covers matter, Exercise on balancing chemical equation, need of balancing equation, Types of chemical reactions, Decomposition Reactions.

Class 9 NCERT A Summary on Chemistry

Upsc aspirant, Civil Engineer, Public Speaker, Entrepreneur, Student Ambassador at Teach For India.

Darshan Venkatesh

This course provides complete tutorial support to students in such a way that   they can master different concepts given in their textbooks developed by the NCERT based on the CENTRAL BOARD OF SECONDARY EDUCATION (CBSE) syllabus.

•Provides learners with a platform to clear doubts and strengthen conceptual understanding.

•Enables learners to learn in methodical way.

•Concepts presented in easy-to-understand points rather than lengthy paragraphs.

•Each unit structured in learner-friendly chunks and logical continuity of ideas.

Science Crash Course: Class 9 NCERT

Rahul Jha

In this course, the educator discusses the chapter, Matter in Our Surroundings.
The course will be beneficial for Class 9 NCERT students.

(Hindi) Matter in Our Surroundings: Class 9 NCERT

Enthusiastic and Passionate about Teaching! Engineer by Degree, worked at Infosys Limited for 2 years and now pursuing my dream to teach.

Shreya Agarwal

This course is designed for students preparing for IIT JEE examinations and for those in class 9 CBSE board. It has a detailed discussion on Atoms and Molecules. The topics that I am covering in this course are Laws of Chemical Combination, Dalton's atomic theory, Atoms, atomic mass. Also I am helping you learn about molecules and ions. Last but not the least there is a topic involving the chemical formulae of the compounds followed by a Summary of the course.

Atoms and Molecules

Always believe in magic.❤
Nature, English and travel lover. A debate champion


Arushi Kulshreshth

This course will deal with chapters 3 and 4 of NCERT Class 9 Science Textbook. The chapters covered in this course are "Atoms and Molecules" and "Structure of the Atom".

Part 2: Matter in Our Surroundings: Class 9 NCERT

I'm from lucknow. I completed M.Sc.(zoology) from Nainital, B.Ed. from Lucknow. cleared UPTET in 2011. 

Kavita Shukla

In this course, the educator is discussing the structure of the Atom for Class 9 CBSE students

Lessons

13 lessons • 2h 45m

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Course Overview (in Hindi)

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Matter in Our Surroundings - Definition, Properties and States of Matter (in Hindi)

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Matter in Our Surroundings - Change in States of Matter (in Hindi)

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Is Matter Around Us Pure? - Classification of Matter and Mixtures (in Hindi)

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Is Matter Around Us Pure - Suspension, Colloid, Elements and Compounds (in Hindi)

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Separation of Components of Mixture - Centrifugation, Sublimation and Immiscible Liquids (in Hindi)

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Separation of Components of Mixture - Chromatography, Distillation, Crystallization (in Hindi)

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Atoms and Molecules - Laws of Chemical Combination and Dalton's Atomic Theory (in Hindi)

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Atoms and Molecules - Definition, Symbols of Atoms and Atomic Mass (in Hindi)

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Atoms and Molecules - Chemical Formula, Molecular Mass and Mole Concept (in Hindi)

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