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Image Credit
/-/https/www.sciencebuddies.org/cdn/Files/3841/5/Chem_img066.jpg)
Description:
This photo shows the glass test tube resting on its side. Inside is the thermometer probe and soaked steel. The rubber stopper has sealed the top of the test tube.
Source:
Kristin Strong, Science Buddies
License:
Science Buddies
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