Chemici man en vrouw in witte jurken en rubberen handschoenen kijken naar chemische reacties tijdens het experiment in het lab mengen van stoffen. Wetenschaps- en laboratoriumconcept. - Stockvideo’s

Couple of scientists male and female conducting chemistry test in laboratory mixing liquid in glass tube, chalkboard with formulas is visible in background.

Experienced chemist is doing chemical test then writing down experiment results working in lab alone using equipment and substances. People and science concept.

Mature man scientist is conducting chemical test in laboratory taking notes using test-tubes and colored substances. People, science and occupation concept.

Happy man and woman colleagues are doing high-five and showing thumbs-up hand gesture during chemical test in lab. Cooperation and science concept.

Curious kid is conducting experiment holding glass tube heating substance watching reaction in lab with experienced male teacher, chalkboard with formulas is in background.

Slow motion of serious people young man and mature woman doing chemical experiment in classroom talking watching reaction. Science and chemistry concept.