Is it an acid, base, or neutral? Make your own acid-base indicator from red cabbage, then test various household substances. Acids and bases are classes of materials that have different properties.

In water and neutral solutions ... Adding water to an acid or base will change its pH. Water is mostly water molecules so adding water to an acid or base reduces the concentration of ions in ...

Cochineal dye will change colors if the solution is acidic, basic, or neutral. You will need an indicator to do this experiment. You can make your own using the cochineal insects from the activity on ...

The scale spans from 0 to 14, with pH 7 being neutral (water). Substances with pH lower than 7 are considered acidic and anything with a pH higher than 7 is basic. Our test implies that lemon ...