1, learning chemistry is to improve the cognitive ability of things, understand the basic common sense and phenomena closely related to daily life, and analyze problems in a scientific way. This is an important way to form good thinking ability and the key to improve quality.
2. By understanding the principle of chemical changes, we can understand some chemical phenomena in life and production, control chemical changes, and make them develop in a direction beneficial to human beings.
3. It can extract substances that originally existed in nature, or make substances that originally did not exist in nature. It can help people develop new materials, study new energy sources, study life phenomena, make rational use of resources, prevent pollution and protect the environment, promote agricultural production and promote human health.
4. Chemistry is one of the main ways and means for human beings to understand and transform the material world. Chemistry is a discipline with a long history and full of vitality. The achievement of chemistry is an important symbol of social civilization. There are two forms of chemical change: chemical change and physical change.