Colorful Test Tubes in Lab Rack - Science Experiment Illustration #3370201 (License: Personal Use)

This vector-style illustration shows six transparent glass test tubes arranged in a gray metal rack. Each tube contains a distinct liquid color-purple, yellow, sky blue, lime green, magenta, and clear-with varying fill levels; the blue and pink tubes feature visible gas bubbles indicating active chemical reactions. The design emphasizes clarity and visual appeal for educational or presentation use.

Commonly used in STEM education websites, science textbooks, lab procedure guides, and classroom slides to represent chemical experiments, reaction demonstrations, or laboratory equipment identification. Matches user intent for visual aids in learning basic chemistry concepts.