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.

Speaker one Neutralisation reactions take place in our everyday lives. For example, there are bacteria in your mouths that convert sugar in foods to an acid which can damage your tooth enamel. So ...

Paper-based materials must include an alkali reserve of at least 2% calcium carbonate (CaCO3). The alkali reserve has the ability to capture acids that may be in the air, the photograph, or in the ...