Indicators
In this activity, club members can make their own indicator to test whether a substance is an acid or an alkali (base). A range of fruit or vegetables can be used such as red cabbage, beetroot, and grapes.
In this activity, club members can make their own indicator to test whether a substance is an acid or an alkali (base). A range of fruit or vegetables can be used such as red cabbage, beetroot, and grapes.