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Questions and Answers
What type of mixture is defined as a combination of two or more substances that can be separated by physical methods?
What type of mixture is defined as a combination of two or more substances that can be separated by physical methods?
- Mechanical Mixture
- Solution
- Colloid
- Mixture (correct)
A solution is a heterogeneous mixture.
A solution is a heterogeneous mixture.
False (B)
Give an example of a colloid.
Give an example of a colloid.
Milk
What is a mechanical mixture?
What is a mechanical mixture?
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Which of the following is an example of a suspension?
Which of the following is an example of a suspension?
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What is a solute?
What is a solute?
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What is the role of a solvent in a solution?
What is the role of a solvent in a solution?
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An emulsion is a heterogeneous mixture of two _____ that separate when left to stand.
An emulsion is a heterogeneous mixture of two _____ that separate when left to stand.
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Study Notes
Mixtures
- A mixture is a combination of two or more substances that retain their individual properties.
- Mixtures can be separated by physical methods.
- Mixtures can be homogeneous or heterogeneous.
Solutions
- A solution is a homogeneous mixture of a solute and a solvent.
- The solute dissolves in the solvent.
- Solutions are clear and do not separate with standing.
Colloids
- Colloids are opaque homogeneous mixtures.
- Colloids have very tiny particles suspended in another substance.
- The particles are too small to see with the naked eye.
- Colloids do not separate with standing.
Mechanical mixtures
- A mechanical mixture is a heterogeneous combination of two substances.
- The substances are easily identifiable.
Suspensions
- Suspensions are heterogeneous mixtures of a solid and a liquid.
- Suspensions separate when left standing.
- Suspensions can be separated by filtering.
Emulsions
- Emulsions are heterogeneous mixtures of two liquids.
- Emulsions separate when left to stand.
Solute and Solvent
- The solute is the substance that dissolves in a solvent.
- The solvent is the substance that dissolves the solute to form a solution.
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