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GRAVITATION-QnA
Gravitation is one of the most fundamental forces in nature, governing the attraction between objects with mass. This chapter explores the laws and effects of gravitation, including Newton’s univers...
GRAVITATION-True/False
Gravitation is a fundamental force of nature that causes every object in the universe to attract every other object. This chapter explores Newton’s Universal Law of Gravitation, explaining why objec...
GRAVITATION-MCQs
Gravitation is one of the most fundamental forces of nature, governing the motion of celestial bodies and the phenomena we experience every day on Earth. This comprehensive set of 50 Multiple Choice Q...
GRAVITATION-Notes
Gravitation Whenever two bodies exist anywhere in the universe, an invisible force tries to pull them together. This ...
STRUCTURE OF THE ATOM-Exercise
Electrons, Protons and Neutrons Q1. Compare the properties of electrons, protons and neutrons. ...
STRUCTURE OF THE ATOM-QnA
The chapter “Structure of the Atom” from NCERT Class 9 Chemistry explores how scientists discovered subatomic particles such as electrons, protons, and neutrons, shaping our modern understanding o...
STRUCTURE OF THE ATOM-True/False
Understanding the structure of the atom is fundamental to modern chemistry. This set of True/False questions for NCERT Class IX Chapter 4, "Structure of the Atom," tests important concepts like the di...
STRUCTURE OF THE ATOM-MCQs
The chapter “Structure of the Atom” introduces the fascinating world of subatomic particles — electrons, protons, and neutrons — and the models proposed by scientists like J.J. Thomson, Ruther...
STRUCTURE OF THE ATOM-Notes
Exploring the Internal Structure of the Atom We have already learned that atoms and molecules are the basic building blocks of matter. The ...
ATOMS AND MOLECULES-Exercise
Q1. A 0.24 g sample of compound of oxygen and boron was found by analysis to contain 0.096 g of boron and 0.144 g of oxygen. ...
ATOMS AND MOLECULES-QnA
Understanding the structure of matter begins with the fascinating study of atoms and molecules, the building blocks of all substances. This comprehensive set of Class 9 Chemistry – Chapter 3: Atoms ...
ATOMS AND MOLECULES-True/False
This True/False questionnaire on NCERT Class 9 Chemistry Chapter 3 "Atoms and Molecules" is designed to help students test their conceptual understanding of key concepts. Covering Dalton’s atomic th...