The total liquid introduced into a test tube should not exceed half the capacity of the test tube because the liquid might have a violent reaction and eject the fluid.
Fluid capacity of a test tube
A test tube is a glassware used in the laboratory for different kinds of chemical experiment.
When carrying out some experiments, the nature of the chemical reaction needs to be considered.
For example, the decomposition reaction between Aluminum chloride and water, violently leads to the formation of hydrochloric acid.
In the above scenario, the total liquid introduced into the test tube should not exceed half the capacity of the test tube because the violent reaction would eject the fluid which may lead to laboratory accident.
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