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Pure Substances and Mixtures, Separation of Mixtures Video Lecture | Chemistry Class 6 ICSE

FAQs on Pure Substances and Mixtures, Separation of Mixtures Video Lecture - Chemistry Class 6 ICSE

1. What is the difference between a pure substance and a mixture?
Ans.A pure substance consists of only one type of particle and has a uniform composition, whereas a mixture contains two or more different substances that are physically combined and can vary in composition.
2. Can you give examples of pure substances and mixtures?
Ans.Examples of pure substances include distilled water, gold, and oxygen gas. Examples of mixtures are air, salad, and seawater, which contain different components.
3. What are some common methods to separate mixtures?
Ans.Common methods to separate mixtures include filtration (to separate solids from liquids), evaporation (to separate dissolved solids from liquids), and distillation (to separate liquids with different boiling points).
4. Why is it important to understand the difference between pure substances and mixtures?
Ans.Understanding the difference is important for various applications, such as in chemistry for reactions, in cooking for recipes, and in industry for producing materials with specific properties.
5. How can you identify whether a sample is a pure substance or a mixture?
Ans.You can identify a pure substance by its uniform appearance and consistent properties, while a mixture will have varied components and may show different properties depending on its composition.
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