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MCQ level 1: https://docs.google.com/forms/d/e/1FA... MCQ level 2: https://docs.google.com/forms/d/e/1FA... Concept of chemical transformation (disappearance of reactants / formation of new products) Balancing a chemical equation using stoichiometric coefficients Combustion of carbon and methane in dioxygen Review of concepts covered in 4th grade in preparation for the brevet and high school Link to the capsule on chemical formulas: • Molecules and chemical formulas Col...