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CBSE Class 10 Science Reduced Syllabus for Chemistry is given below
Unit I: Chemical Substances – Nature and Behaviour
Chemical Reactions: Chemical equation, Balanced chemical equation, implications of a balanced chemical equation, types of chemical reactions: combination, decomposition, displacement, double displacement, precipitation, neutralization, oxidation, and reduction.
Acids, Bases and Salts: Their definitions in terms of furnishing of H+ and OH– ions, General properties, examples, and uses, the concept of pH scale (Definition relating to logarithm not required), the importance of pH in everyday life; preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris.
Metals And Nonmetals: Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Corrosion and its prevention.
Carbon Compounds: Covalent bonding in carbon compounds. Versatile nature of carbon. Homologous series.
Periodic Classification Of Elements: Need for classification, early attempts at classification of elements (Dobereiner’s Triads, Newland’s Law of Octaves, Mendeleev’s Periodic Table), Modern periodic table, gradation in properties, valency, atomic number, metallic and non-metallic properties.
acids bases and salts
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