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Unit-1: Chemical Reactions and Equations

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Unit-2:Acids, Bases and Salts

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Unit-3: Metals and Non-metals

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Unit-4: Carbon and its Compounds

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Unit-9: Light – Reflection and Refraction

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Unit-10: Human Eye and Colourful world

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Unit-11: Electricity

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Unit-12: Magnetic Effects of Electric Current

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