Click to Run The formula for an acid has hydrogen as its positive part, such as hydrochloric acid, HCl (H+ and Cl–). An acid indicator is a chemical that changes color when added to an acid. If the indicator is dry, such as litmus paper, the paper changes color when an acid solution touches the […]
Acid/Base Indicators
Indicators Acid Indicators are materials that change color in an acid solution. Base Indicators are materials that change color in a base solution. Acid/Base Indicators are materials that have one color when mixed with an acid and another color when mixed with a base. Red Cabbage Juice is an acid/base Indicator. The juice has a […]