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Learn science lesson in Sinhala medium. Relative molecular mass , relative atomic mass , moles , Avogadro constant, Molar mass and all major sections of the lesson discussed with questions and answers with full explanations focusing on common mistakes students make and how to avoid them and remember the basics of the lesson easily. The lesson is Short notes based and exam paper targeted. This is also good for grade 11 science / o/l science in Sinhala medium.

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Learn O/L Science in Sinhala medium with this step by step video. Start it simple and easily. Lessons are planned , designed and carried out by the government school teacher, Anuradhika Lakmali. (Dip in Ed. BSc.)

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