Homonym: acid (Sour)
An acid is a type of chemical that can donate protons or hydrogen ions in a solution. They often have a sour taste and can be found in many everyday items. For example, the citric acid in lemons gives them their tangy flavor, while acetic acid is what makes vinegar sour. Acids can react with bases to form salts and water, a process known as neutralization.
In addition to their culinary uses, acids play important roles in science and industry. For instance, sulfuric acid is widely used in car batteries, while hydrochloric acid is essential in the production of various chemicals. Understanding acids helps us grasp many natural processes and technological applications.