The pH scale measures how strongly acidic or ... can be used to make indicators just by mashing them in hot water. Red cabbage is one of the best, and can be compared to the colour charts above.

Finely slice the cabbage. Put all the chopped-up cabbage ... The scale spans from 0 to 14, with pH 7 being neutral (water). Substances with pH lower than 7 are considered acidic and anything ...

The color that a substance turns a pH indicator is a characteristic property of that substance. An acid can neutralize a base, and a base can neutralize an acid Students squeeze red cabbage leaves in ...

Water frequently and add compost every ... To further avoid diseases from taking root in your cabbage, test your soil’s pH balance, keeping it near 7.0 for the best results.