But people also frequently mix vinegar and baking soda to produce ... a visual "placebo," formed by the combination of an ...

Acids and bases make pH indicators turn different colors ... Add the detergent to the Indicator + Detergent cup. Gently swirl the cup to mix. Observe the color of the indicator and record any color ...

Your stomach contains hydrochloric acid, and too much of this causes indigestion. Antacid tablets contain bases such as magnesium hydroxide and magnesium carbonate to neutralise the extra acid.

what happens when acids and alkalis mix with each other. Katie: OK. So where do we start? Miss Fong: Well, first up let's remind ourselves about the properties of acids and alkalis. This is the pH ...