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Types of Mixtures
What Is A Mixture?
Mixtures
Homogeneous Heterogeneous
Types of Mixtures Based On Particle Size
Example: Example: Example: 
Particle size < 1 nm Particle size between
1 nm to 1000 nm
Particle size > 1000 nm
Brass
Vinegar
Oil and
water
Sand and
gravel
Page 2


Types of Mixtures
What Is A Mixture?
Mixtures
Homogeneous Heterogeneous
Types of Mixtures Based On Particle Size
Example: Example: Example: 
Particle size < 1 nm Particle size between
1 nm to 1000 nm
Particle size > 1000 nm
Brass
Vinegar
Oil and
water
Sand and
gravel
Types of Mixtures
A mixture is a combination of two or more substances in any
proportion.
What Is A Mixture?
Mixtures
Homogeneous Heterogeneous
Has a uniform composition
and looks the same
throughout
Has a non-uniform
composition and consists of
two or more phases
Types of Mixtures Based On Particle Size
Solution
Example: saltwater
Colloid
Example: mayonnaise
Suspension
Example: muddy water
Particle size < 1 nm Particle size between
1 nm to 1000 nm
Particle size > 1000 nm
Brass
Vinegar
Oil and
water
Sand and
gravel
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FAQs on Visual Worksheet: Types of Mixtures (with Solutions) - Science Class 9

1. What are the main types of mixtures?
Ans. The main types of mixtures are homogeneous mixtures and heterogeneous mixtures. Homogeneous mixtures have a uniform composition throughout, such as saltwater or air. Heterogeneous mixtures consist of distinct components that can be easily identified, such as salad or a mixture of sand and iron filings.
2. How can mixtures be separated?
Ans. Mixtures can be separated using various physical methods depending on their properties. Common techniques include filtration, which separates solids from liquids; distillation, which separates liquids based on boiling points; and centrifugation, which separates components based on density.
3. What is the difference between a solution and a mixture?
Ans. A solution is a specific type of homogeneous mixture where one substance (the solute) is dissolved in another (the solvent). In contrast, a mixture can be either homogeneous or heterogeneous and does not require the components to be dissolved. For example, saltwater is a solution, while a salad is a mixture.
4. Can mixtures be classified into different categories?
Ans. Yes, mixtures can be classified into several categories, including solutions, colloids, and suspensions. Solutions are homogeneous, colloids have larger particles that do not settle, and suspensions contain larger particles that can settle over time, such as muddy water.
5. What are some real-life examples of mixtures?
Ans. Real-life examples of mixtures include air (a homogeneous mixture of gases), salad (a heterogeneous mixture of various vegetables), and oil and water (a heterogeneous mixture that does not mix). Other examples include concrete (a mixture of cement, water, and aggregates) and ocean water (a solution of salt and other substances in water).
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