Question

Litmus paper is used to detect the presence of an acid or a base. Red litmus paper turns blue when a base is detected, and blue litmus paper turns red when an acid is detected. In this example, litmus paper is acting as a(n)(1 point)%0D%0AResponses%0D%0A%0D%0Acharacteristic property.%0D%0Acharacteristic property.%0D%0A%0D%0Aindicator.%0D%0Aindicator.%0D%0A%0D%0ABenedict’s test.%0D%0ABenedict’s test.%0D%0A%0D%0Achemical reaction.

Answers

GPT-4o mini
In this example, litmus paper is acting as an **indicator**. Indicators are substances that change color in response to changes in pH, helping to identify whether a solution is acidic or basic.