Studente di chimica miscelazione di liquidi in laboratorio scientifico, condurre esperimenti - Foto e immagini stock

Female chemist studying presence of sediments in flask with red liquid in lab

Chemistry student dripping liquid in test tube conducting experiment in lab

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

Woman scientist holding pipette with liquid and taking test tube with reagent

Female scientist comparing flasks with colored liquid, detergent laboratory

Schoolboy looking at chemical substance in test tube, chemistry lesson, hobby

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 watching reaction in tube with green liquid, chemistry lessons

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

Schoolboy conducting chemical researches and writing reaction result, innovation