How Can You Tell an Acid from a Base?

Answer

Litmus paper is used to determine a acid from a base. This works because the material can pick up different colors of a acid and base. This allows you to see the various PH levels and determine what the element is.
1 Additional Answer
Ask.com Answer for: How Can You Tell an Acid from a Base
The safest way to test whether a substance is an acid or a base is to do a litmus test. Acids will turn litmus paper red and bases (alkalis) will turn it blue.
You can make your own litmus strips by dying art paper with red cabbage.
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