Cabbage Juice pH Scale
Take kale juice pH test paper as an example to say that there is a way to test the nature of things
. Using kale juice to make pH test paper, the method is wonderful.
Kale, ordinary things are also, then take its juice and make it into a test paper, which has the ability to test acid and alkali. In case of acid, the test paper changes color differently. Under strong acid, the color is bright red, if it is a flower in spring, it is gorgeous and eye-catching; when it is weak acid, it is pink, like a girl's cheeks, shy and affectionate. When it encounters alkali, it is different. When strong alkali comes, the color turns dark green, like an ancient wood in a dark forest, deep and quiet; when it is weak alkali, the color turns light green, if the new willow is first cute, it is fresh and natural.
This kale juice pH test strip is like a mirror of things. With its sign of discoloration, it shows the nature of acid and alkali. Make people see its characteristics in invisible things. Looking at its changes, it can be seen that the chemical nature of things is of great benefit to learning and using things. The world is good at making this thing and exploring the mystery of things. It also adds many conveniences to life and learning. It is the crystallization of wisdom.
