👉 A liquid is a substance that can be easily dispersed or dissolved in water. It is a type of solid, but it does not have any fixed shape or size. Liquids are often used for various purposes such as cooking, cleaning, and lubricating. Liquidity refers to the ability of a substance to dissolve into another substance without changing its properties. For example, a liquid like water can be dissolved in other substances like milk or sugar, but it cannot be dissolved in pure water. Liqu