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Unit 1 – Some Basic Concepts of Chemistry General Introduction: Importance and scope of chemistry. Nature of matter, laws of…
Class XII Chemistry (Theory) Revision Notes With Question Answers , Marks Distribution, Question Paper Design Title Marks…
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Unit–I Diversity of Living Organisms Chapter–1 : The Living World What is living ? Biodiversity; Need for for classi cation;…
CBSE Class 9 Biology Notes along with Question bank are available on Ribblu.com to help students get well-versed with each…