tomorrow is my science paper whole book is coming can you tell me important chapter for class 9
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ch-1,5,8,2,6,12,10,11,13,3,4
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the most important chapters are
Chapter 7:Diversity in Living Organisms
Chapter 3&4: learn drawbacks, conclusions and experiments of Thomson's, Rutherford's and Bohr's model, valency and formula formation
Chapter1&2: learn properties of matter, basic evaporation principle questions, properties of solution, suspension and colloid and properties of metals and non metals
CH 5 organelles of cell
ch8 equations of motion
sound whole
and all formulas
law of conservation of mass and momentum(derivation)
Dalton's atomic theory
Chapter 7:Diversity in Living Organisms
Chapter 3&4: learn drawbacks, conclusions and experiments of Thomson's, Rutherford's and Bohr's model, valency and formula formation
Chapter1&2: learn properties of matter, basic evaporation principle questions, properties of solution, suspension and colloid and properties of metals and non metals
CH 5 organelles of cell
ch8 equations of motion
sound whole
and all formulas
law of conservation of mass and momentum(derivation)
Dalton's atomic theory
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