Question

student adds a drop of universal indicator to 1 ml of a given solution what is the pH range of the solution?​

Answer 1

A) if it is green then the pH range is 3-6

B) if it is violet then the pH range is 9- 14

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Answer 2

Answer:

A universal indicator is the mixture of different dyes which changes colors with pH and used for acids and alkalis.

Explanation:

1. When the universal indicator added to the given solution, it will cause changes according to the nature of the solution.

2. It will change solution to go from green to red if it is an acidic solution and if it will change from green to purple then it is a basic solution.

3. Color change indicates the range of pH, whether it is acid or base.