Explanation:
sign that shows or suggests the condition or existence of something. 2 : a pointer on a dial or scale.
Answer:
Explanation:Indicators. Indicators. Substances that are used to indicate whether a substance is acid or a base are known as indicators. They change their colour on addition of a solution containing an acidic or a basic substance.
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Verified answer
Explanation:
sign that shows or suggests the condition or existence of something. 2 : a pointer on a dial or scale.
Answer:
Explanation:Indicators. Indicators. Substances that are used to indicate whether a substance is acid or a base are known as indicators. They change their colour on addition of a solution containing an acidic or a basic substance.