Colorful test tubes with bubbling liquid in a laboratory during a chemistry experiment at a school
Palabras clave
laboratory,
test tube,
chemistry,
experiment,
bubbling,
science,
school,
education,
glassware,
liquid,
colours,
research,
academic,
student,
learning,
stem,
experimentation,
equipment,
analysis,
observation,
safety,
measurement,
solution,
bubble,
reagent,
mixture,
demonstration,
visualisation
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