Question

Чистые вещества дайте определение

Answer 1

Чистые вещества и смеси Чистое вещество имеет определенный постоянный состав или структуру (соль, сахар). В жизни редко встречаются чистые вещества, чаще - смеси веществ. Воздух – это смесь азота, кислорода и других газов, морская вода – смесь воды и растворенных солей.

Answer 2

Definition of Pure Substances

Pure substances are defined as substances that are made up of only one type of particle, which can be either an atom or a molecule. These substances have a fixed composition and distinct chemical properties. Pure substances can exist in different phases, such as solid, liquid, or gas, and they cannot be separated into simpler substances by physical methods.

The concept of pure substances is fundamental in chemistry and is essential for understanding the behavior and properties of matter.