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13 December, 14:15

Acids or bases can be tested by chemical WHAT

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  1. 13 December, 14:24
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    Acids or bases can be tested by chemical indicators.

    Explanation:

    A chemical indicator can be described as a paper substance which changes colour when dipped in an acidic or basic solution. It can be described as a chemical indicator for hydrogen ions (H+) and hydronium ions (H3O+).

    Acidic solutions normally dive red-orange colours depending on the acidicity of the substance. The basic solutions give blue-violets colours depending on the basicity of the substance.
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