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विषयों
मुख्य विषय
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Chemistry
1 Introduction to Chemistry
2 Common Laboratory Apparatus and Equipments
3 Matter
4 Elements, Compounds, Symbols And Formulae
5 Pure Substances and Mixtures; Separation of Mixtures
6 Air and Atmosphere
7 Water
1 Introduction to Chemistry
2 Elements, Compounds & Mixtures
3 Matter
4 Water
5 Air and Atmosphere
