Chemical treatments refer to processes that use specific chemicals to alter the properties of materials or substances. These treatments can be applied in various fields, including agriculture, where they help control pests and diseases, or in water treatment, where chemicals are used to purify drinking water. In the textile industry, chemical treatments can enhance fabric qualities, such as making them water-resistant or stain-repellent. Additionally, in the medical field, chemotherapy is a type of chemical treatment used to target and kill cancer cells, showcasing the diverse applications of chemicals in improving health and material performance.