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Portrait shot of Korean male teacher with group of six cheerful young caucasian students wearing goggles during chemical experiment hold flaks with colored liguid where evaporates the cold smoke
Chemical reaction in lab flask. Close up of female chemist hands doing chemical experiment in beaker. Chemist adding chemical reagent in pure liquid at conical flask. Chemical research
Portrait shot of group of six cheerful young caucasian students waving hands hello while while their male korean teacher holding two flaks with colored liguid where the cold smoke evaporates
A schoolgirl mixes chemicals in a beaker.
Transfuse liquid from a beaker into a flask
Pour the liquid from the flask into a beaker
Hand and flask with liquid. Yellow fluid dripping into beaker. Mixture of dangerous reagents. Experiment in a lab.
Hand holding beaker with fluid. Liquid splashing inside flask. Be careful with the reagent. Experiments and results.
Two chemists experimenting with the green liquid in beakers
Pours liquid from a beaker into an empty flask
Medical lab worker dripping reagent in pink liquid. Medical researcher working with chemical liquid in lab flask. Medical lab experiment in lab beaker. Close up of laboratory testing in glass flask
Hand holding flask with liquid. Beaker with purple fluid. Scientist is conducting experiment. Chemist working in the lab.