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Mixtures - Chemistry, General Science, Exam Preparation Video Lecture | General Awareness & Knowledge - Bank Exams

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FAQs on Mixtures - Chemistry, General Science, Exam Preparation Video Lecture - General Awareness & Knowledge - Bank Exams

1. What is a mixture in chemistry?
Ans. A mixture in chemistry refers to a combination of two or more substances that are physically mixed together but not chemically combined. The substances in a mixture retain their individual properties and can be separated by physical means.
2. How are mixtures different from compounds?
Ans. Mixtures differ from compounds in that compounds are formed when two or more elements chemically combine, resulting in a new substance with different properties than the original elements. In mixtures, the substances retain their original properties and can be present in any proportion.
3. What are the different types of mixtures?
Ans. There are two main types of mixtures: homogeneous and heterogeneous. Homogeneous mixtures have a uniform composition and appearance throughout, such as saltwater or air. Heterogeneous mixtures have a non-uniform composition, with visible differences in appearance, such as a salad or soil.
4. How can mixtures be separated?
Ans. Mixtures can be separated through various physical methods. Some common methods include filtration, where a porous material is used to separate solid particles from a liquid; distillation, which uses differences in boiling points to separate liquids; and chromatography, which separates components based on their affinity for a stationary phase.
5. Can a mixture be classified as a pure substance?
Ans. No, a mixture cannot be classified as a pure substance. A pure substance consists of only one type of element or compound, while a mixture contains multiple substances. The properties of a mixture can vary depending on the composition and ratio of its components.
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