Schüler beobachtet Reaktion in Röhre mit grüner Flüssigkeit, Chemieunterricht - Stockfoto & -bild

Little chemist in protective glasses checking reaction in tube with green liquid

Clever schoolboy adding drops of agent into tube with green reagent, chemistry

Schoolboy looking at red liquid in flask and scratching head, having no idea

Boy in protective glasses pouring chemical substance in tube, checking reaction

Little nerd comparing colorful liquids in flasks watching reaction, chemistry

Boy in protective gloves and glasses writing down chemical experiments results

Female chemist looking at colored liquids in flasks, developing new substance

Chemistry student mixing liquids in scientific laboratory, conducting experiment

Chemistry experimenter writing down results of scientific researches in lab

Female scientist comparing flasks with colored liquid, detergent laboratory

Laboratory worker writing down chemical research results, conducting experiments

Chemistry scientist conducting researches in office, holding flasks with liquids