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#Periwinkle #10th #science #Board #CBSE #education #elearning #ICSE #lessons #NCERT #Chemical_Properties_of_Carbon_Compounds #the_structure_of_carbon #Kids #Children #Smart_learning #Education #Animation #Chemistry_(Field_Of_Study) #Secondary_School_(School_Category) #Hydrocarbons #Hydrocarbon_(Chemical_Classification) #Organic_Chemistry_(Field_Of_Study) #hydrocarbons_chemistry_class_11 #hydrocarbons_class_10Комментарии: