Podcast
Questions and Answers
What is a mixture?
What is a mixture?
A combination of two or more substances that retains their own properties and can be separated by physical methods.
Which of the following is a homogeneous mixture?
Which of the following is a homogeneous mixture?
A colloid can be seen with the naked eye.
A colloid can be seen with the naked eye.
False
What is an example of a mechanical mixture?
What is an example of a mechanical mixture?
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A solid and a liquid that separates when left standing is called a ______.
A solid and a liquid that separates when left standing is called a ______.
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What does a solute do in a solution?
What does a solute do in a solution?
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What is an example of an emulsion?
What is an example of an emulsion?
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The substance that dissolves a solute in a solution is called a ______.
The substance that dissolves a solute in a solution is called a ______.
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Study Notes
Mixtures
- A mixture is a combination of two or more substances, each retaining its properties.
- Mixtures can be separated by physical methods.
- Mixtures can be homogeneous or heterogeneous.
Solutions
- A solution is a transparent mixture of a solute dissolved in a solvent.
- The solute and solvent remain evenly distributed and don't separate when left to stand.
Colloids
- A colloid is an opaque mixture of tiny particles suspended in another substance.
- These particles are too small to see with the naked eye.
- Unlike suspensions, colloids do not separate when left to stand.
Mechanical Mixtures
- A mechanical mixture is a heterogeneous combination of substances.
- The components can be easily distinguished.
Suspensions
- A suspension is a heterogeneous mixture of a solid and a liquid.
- Particles in suspensions settle out over time.
- Suspensions can be separated by filtering.
Emulsions
- An emulsion is a heterogeneous mixture of two liquids.
- Emulsions separate when left to stand.
Solutes and Solvents
- A solute is the substance that dissolves in a solvent.
- A solvent is the substance that dissolves the solute.
- Together they form a solution.
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Description
Test your knowledge on the different types of mixtures, including solutions, colloids, mechanical mixtures, suspensions, and emulsions. This quiz covers key properties and separation methods of these substances. Understand the distinctions and characteristics that define each category.
