Question

Why does the hot water turn purple when poured over red cabbage leaves?

Answer 1

Red cabbage contains a water-soluble pigment called anthocyanin that gets extracted when hot water is poured on it.

Step-by-step explanation:

Answer 2

Pouring hot water over a red cabbage would turn water into purple because the dye in the cabbage called anthocyanin is being extracted. This pigment is used as an indicator for acids and bases. When it is added to an acid, it changes the color of the solution into pink while it changes into blue when added to a basic solution.