Alkali

Alkali refers to a group of chemical substances, mainly metals like sodium and potassium, that are highly reactive, especially with water. When these metals come into contact with water, they produce hydrogen gas and a strongly basic solution called an alkali, which can be corrosive. Alkalis are used in products like soaps, detergents, and in industrial processes. They have a pH above 7, indicating their basic nature. Alkali metals are stored carefully to prevent reactions with moisture and are important in chemical manufacturing and everyday cleaning products.