🧪
A "🧪" is a symbol commonly used to represent a test tube, a cylindrical glass or plastic container used in laboratories for holding and mixing small quantities of substances. It is an essential tool in scientific experiments and analysis, allowing researchers to conduct various tests and reactions in a controlled environment. The test tube's shape and material make it suitable for heating, cooling, and observing chemical reactions, making it a fundamental component in the field of chemistry and biology research.
#biology #science #substance
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