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An acid-base indicator.

Some examples are phenolphthalein and methyl orange.

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13y ago

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How do you determine if a substance is an acid or a base using phenolphtalein indicator?

Phenolphthalein is colorless in acidic solutions and pink in basic solutions. By adding phenolphthalein to a substance, you can observe the color change to determine if the substance is acidic or basic based on the change in color.


What changes color on pH?

An indicator is a substance that changes color based on the pH of a solution. It shifts its color based on whether the solution is acidic, neutral, or basic. Examples of indicators include litmus, phenolphthalein, and bromothymol blue.


What is the color change of phenolphthalein in a basic solution?

Phenolphthalein turns pink in a basic solution.


What happens after dipping a substance into a pH solution?

When a substance is dipped into a pH solution, it will either change color due to a chemical reaction with the solution, or it may not show any visible change if the substance is neutral. This process helps determine the acidity or basicity of the substance based on the pH solution's color change.


How do you use litmus paper to decide a substance is an acid or a base?

Dip the litmus paper into the solution in question. If the paper turns red, the substance is acidic. If the paper turns blue, the substance is basic. If there is no color change, then the substance is neutral.


What color change does phenolphthalein undergo in a basic solution?

Phenolphthalein turns pink in a basic solution.


What color would phenoplhthalein turn if drano was added?

Phenolphthalein would turn pink when added to Drano, which is a strong alkaline substance. This color change indicates that the solution has become basic.


When phenolphthalein is added to ammonium hydroxide is the color of the final solution is pink?

Phenolphthalein is an indicator often used in chemical titrations. Phenolphthalein is colorless in acidic solutions and turns pink in basic solutions. The more basic the solution the pinker the solution will become when Phenolphthalein is present.


What is the term for a substance that changes color according to the pH of the solution?

The term for a substance that changes color according to the pH of the solution is an indicator. Indicators are commonly used in chemistry to visually determine the acidity or basicity of a solution based on color changes.


What is the ability of a substance to dissove in to another substance?

color.


A substance that is used to determine an acid or base is called?

An indicator is a substance that is used to determine whether a solution is acidic or basic by changing color based on the pH of the solution. Examples of indicators include litmus paper, phenolphthalein, and bromothymol blue.


If a solution is basic- what color will red litmus paper turn?

Red color in acidic solutions and blue color in basic solutions.