If you are doctor, or anywhere related to medical field test tubes is a very important tool to do all types of research and store something in it.  It is like a finger which is opened on the top, Test tubes are made up of glass and nowadays it is also made up of plastic. The top is always open enables to pour liquid from the top. It is a part and parcel tool of a laboratory.

Benefits of using test tubes?

1. Test tubes are widely used for mixing chemicals and see about the reaction
2. Transparent glass or plastic enable us to see what is happening inside the test tube.
3. It is useful for culturing organisms, bacteria.
4. We can store blood samples, chemicals and other combination of chemicals can be stored in test tubes.
5. Most of the test tubes are unbreakable because it is made up of plastic or glass with more shock resistance.

Glass test tube vs. Plastic test tube

Glass test tubes have more chance to break where as Plastic test tubes are unbreakable. Plastic tubes cannot be cleaned easily compared to glass test tubes. Glass tubes can adapt to the changes of the weather conditions, whereas plastic tubes sometimes change its color to pale yellow in warm conditions.

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