A clear liquid on a driveway could safely be tested by
pouring baking soda on it. If it is vinegar or battery acid it will bubble up. If it
is water it will do nothing. However, it will not tell you whether it is vinegar or
battery acid.
Liquids have different attributes that can be
used to identify what they may be:
Color can help determine
a liquid. Since the liquid was clear we can rule out that helping solve the
problem.
Odors are specific to certain liquids. Vinegar
has a distinct odor. Battery acid has its own odor. Water is
odorless.
Freezing point, liquids have different freezing
points.
Boiling points, liquids have different boiling
points.
Liquids have different
densities.
Getting back to the difference between the three
liquids; Battery acid is acidic and would gradually breakdown a simple material such as
cloth. One could dip a small piece of cloth in the liquid and remove it. If the cloth
begins to erode, it is battery acid.
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