NEET Exam > NEET Videos > Chemistry Class 12 > Quick Revision: Solutions, Mixtures and Types of Solutions
Quick Revision: Solutions, Mixtures and Types of Solutions Video Lecture | Chemistry Class 12 - NEET
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FAQs on Quick Revision: Solutions, Mixtures and Types of Solutions Video Lecture - Chemistry Class 12 - NEET
| 1. What are solutions and mixtures? |  |
Ans. Solutions and mixtures are both types of combinations of substances. A solution is a homogeneous mixture where one substance (the solute) is dissolved in another substance (the solvent). On the other hand, a mixture is a combination of two or more substances that are not chemically bonded together and can be separated by physical means.
| 2. What are the different types of solutions? | |
Ans. There are various types of solutions based on the state of the solvent and solute. Some common types include:
- Solid solutions: Where a solid solute is dissolved in a solid solvent, such as alloys like bronze or brass.
- Liquid solutions: Where a liquid solute is dissolved in a liquid solvent, such as sugar dissolved in water.
- Gaseous solutions: Where a gaseous solute is dissolved in a gaseous solvent, such as air.
- Aqueous solutions: Where a solute is dissolved in water as the solvent, such as saltwater.
| 3. How can mixtures be separated? | |
Ans. Mixtures can be separated using various physical methods. Some common separation techniques include:
- Filtration: Used to separate solid particles from a liquid or gas using a filter.
- Distillation: Used to separate liquids based on their boiling points.
- Evaporation: Used to separate a solute from a solvent by heating and evaporating the solvent, leaving behind the solute.
- Magnetic separation: Used to separate magnetic substances from non-magnetic substances using magnets.
| 4. What is the difference between a solution and a suspension? | |
Ans. The main difference between a solution and a suspension is the size of the particles involved. In a solution, the particles of the solute are completely dissolved and cannot be seen with the naked eye. In contrast, a suspension contains larger particles that are not dissolved but instead dispersed in the solvent. These particles can be seen and will eventually settle down over time if left undisturbed.
| 5. Is air a solution or a mixture? | |
Ans. Air is considered a mixture. It is a combination of various gases such as nitrogen, oxygen, carbon dioxide, and others. These gases are not chemically bonded together and can be separated by physical means. Therefore, air is classified as a mixture rather than a solution.
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Nov 16, 2024 Last updated |
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