Ph Scale Red Cabbage
On the acid-base scale of red cabbage
There is a spiritual thing in the world, and its name is red cabbage. Examine its properties, you can test acid and alkali, and it has a unique acid-base scale, which is wonderful.
The color of red cabbage changes with acid and alkali. In an acidic environment, the color is reddish and purple. If the clouds reflect the sky, it is very magnificent; in the case of alkaline quality, the color turns yellow-green, like emerald jade, fresh and eye-catching. The wonders of its change are like those painted in heaven, which is amazing.
Use red cabbage to make a test solution, and the steps are well. Take its leaves first, wash and chop them, put them in a kettle, add water and boil them, and boil them for a long time to get juice. This juice is a wonderful agent for acid and alkali detection. Drop this juice in different solutions and observe its color change to know the acid-base properties of the solution. When it encounters acid, it will be red, and when it encounters alkali, it will be green. It is clear at a glance, and there is no need for complicated methods.
The acid-base scale of red cabbage is very useful in all things in life. In diet, it can detect the acid and alkali of food and help health needs; in experiments, it is the choice of test agents, which is convenient and accurate. This is a gift of nature and the key to revealing the mystery of acid and alkali for the world.
Looking at the acid-base scale of red cabbage, I feel the magic of nature's creation. With common things, it is an extraordinary ability. It is really a treasure in the world. I will make good use of it for my generation to explore the subtleties of science and create a beautiful life.
