This indicates a pH value of 7 and tells us that water is neither alkaline or acid, but neutral ... the colour of the indicator to the colour chart below. An indicator is a substance which ...

Use a measuring cylinder to add dilute hydrochloric acid to a beaker ... then match the colour to a pH colour chart. Record the estimated pH. Add a level spatula of calcium hydroxide powder ...

It is not the pH of the food or drink that determines whether this occurs but how the food affects the balance between acid and alkaline levels once inside the body. According to a 2021 article ...