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9. Define latent heat of fusion. Answer: Latent heat of fusion is the amount of heat energy required to change 1 kg of solid into liquid at its melting point. 10. Define sublimation. Answer: Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice-versa. 11.
Extra Questions For CBSE Class 9 Maths. Chapter 1 – Number Systems. Chapter 2 – Polynomials. Chapter 3 – Coordinate Geometry. Chapter 4 – Linear Equations In Two Variables. Chapter 5 – Introduction To Euclid’s Geometry. Chapter 6 – Line And Angles. Chapter 7 – Triangles. Chapter 8 – Quadrilaterals.
Important Questions for Class 9 Science. Chapter 1 Matter in Our Surroundings. Chapter 2 Is Matter Around Us Pure. Chapter 3 Atoms and Molecules. Chapter 4 Structure of the Atom. Chapter 5 The Fundamental Unit of Life. Chapter 6 Tissues. Chapter 7 Diversity in Living Organisms. Chapter 8 Motion.
Apr 1, 2022 · Check NCERT based extra questions and answers for all chapters of Class 9 Science. All these questions are based on the key concepts hence are important for quick revision before the exam.
6 days ago · Download CBSE Class 9 Science Important Questions 2024-25 PDF. Also, check CBSE Class 9 Science Important Questions for other chapters: Chapter Wise Important Questions For Class 9 Science. Chapter 1 - Matter in Our Surroundings. Chapter 2 - Is Matter Around Us Pure. Chapter 3 - Atoms and Molecules.
Class 9 Science NCERT Solutions include all exercises, including end-of-chapter from the NCERT Class 9 Science textbook. NCERT Solutions assist students in a very simple language. It also includes solved numerical questions that will help students practice well for their exams. The chapters test your memory, logic, and numerical skills.
Oct 2, 2019 · Is Matter Around Us Pure Class 9 Extra Questions Short Answer Questions-I. Question 1. ‘Sea water can be classified as homogeneous as well as heterogeneous mixture.’. Comment. [NCERT Exemplar] Answer: Sea water is a mixture of salts and water which cannot be separated except by evaporation.
