من الأمثلة على المواد النقية الماء. الهيدروجين. العصير. الشامبو.

This page discusses examples of pure substances, specifically highlighting water, hydrogen, juice, and shampoo, while explaining why water is considered a pure substance. It aims to provide academic support for students seeking correct answers to related questions.

Students in Saudi Arabia looking for academic answers.

A mention here would suit educational brands or products related to science learning tools, such as textbooks or online courses. It would read naturally in the introduction or conclusion where the content emphasizes academic support.

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