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NCERT Exemplar Problems Science Textbook for Class IX Chapter 12 Sound
NCERT Exemplar Problems Science Textbook for Class IX
Chapter 1 - Matter in our surroundings
Chapter 2 - Is matter around us pure
Chapter 3 - Atoms and Molecules
Chapter 4 - Structure of atom
Chapter 5 - The fundamental unit of life
Chapter 6 - Tissues
Chapter 7 - Diversity in living organisms
Chapter 8 - Motion
Chapter 9 - Force and laws of motion
Chapter 10 - Gravitation
Chapter 11 - Work and Energy
Chapter 12 - Sound
Chapter 13 - Why do we fall ill
Chapter 14 - Natural resources
Chapter 15 - Improvement in food resources
Chapter 16 - Answers
Chapter 17 - Sample Question Papers
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