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it depends on the indicator!
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The point at which a drop of base changes the color of an acid solution and the color persists?
titration
What will an indicator do in the presence of an acid or base?
This indicator changes his color.
What is called when a compound that changes color when in contact with an acid or a base?
It's called an Acetic Acid.
What is a compound that changes color when in contact with an acid or a base called?
It's called an Acetic Acid.
What is in red cabbage?
it is a controll when a acid or a base is added it changes color
What compound changes color when in contact with an acid or a base this is called?
iron
Which chemical changes the color of nitric acid?
Nitric acid in its pure form is colorless. The color changes to brownish-yellow due to the presence of nitrogen dioxide (NO2). This nitrogen dioxide usually forms when bottles containing nitric acids are not properly capped. Nitric acid reacts with oxygen in the air to form nitrogen dioxide which remains dissolved in the acid to give this particular color.
What color is BTB in an acid?
BTB stains hands and clothes. As carbon dioxide is absorbed from the breath into the solution, forming carbonic acid, the solution changes color from green to yellow.
What is the color of end point for the titration of the acid?
It is dependent on the indicator used. The direction of the reaction should be stated to indicate a color change. For example, if the acid is in the flask, methyl red changes its color from red to yellow.
Why no change in red litmus when placed in hydrochloric acid?
It is because the red litmus paper only changes its color (from red to blue) when exposed to any basic substance. Hydrochloric acid is acidic, thus there is no change in the color of the red litmus paper, although the acid would change the color of the blue litmus paper (pH paper that tests for acidity; changes from blue to red in the presence of acid)
What changes color in the presence of and acid or a base?
Various "indicators". Perhaps the most common is litmus.
What is a chemical dye that changes color based on the pH of a solution called?
acid base indicator
