Explain why the test tube closed with rubber stopper
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Explanation:
Chemists frequently use rubber stoppers in their labs to plug flasks and test tubes. The purpose of these stoppers is to prevent liquids, and sometimes gases, from escaping their containers, as well as prevent contaminants from entering the containers.
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Explanation:
- Chemists frequently use rubber stopper in their labs to plug flasks and test tubes .The purpose these stoppers is prevent liquid ,and sometimes gases for escaping their container as well as prevent contaminants as well as prevent contaminants from entering the containers
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