What are homogeneous mixtures? Read All About That

Safalta Expert Published by: Gaurav Bawa Updated Mon, 12 Sep 2022 11:44 PM IST

Highlights

A mixture is a combination of two or more components that are not chemically linked.



A mixture is a combination of two or more components that are not chemically linked.There are two sorts of mixtures: homogeneous mixtures and heterogeneous mixtures. A homogenous mixture is one whose composition is consistent throughout. It is the sort of mixture in which the composition remains consistent throughout or where the components of the mixture are spread equally.Recommended: Study for your Exams with Safalta School online. We provide Preparation materials for Classes 9-12 that can boost your preparations.
 

What exactly is a homogeneous mixture?

A homogeneous mixture is one that contains the same proportions of its constituents across a given sample. It has a consistent composition throughout. In a homogenous combination, just one phase of matter is observed

Homogeneous Mixture Examples

  • Air
  • Sugar water
  • Rainwater
  • Vinegar
  • Dishwashing liquid
  • Steel
  • A cup of coffee
  • Mouthwash
  • Detergent
  • Cologne
  • Jello gelatin.

 

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Important Terms 

Suspensions

Why do artists typically mix their paint before applying it to the canvas? It's because the paint is a suspension. The particles are larger than 5 x 10-7 m in size, which implies they can be seen with the naked eye. Another example of a suspension is fine sand combined with water.

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The particles tend to settle (or float) over time and must be mixed again to restore the suspended condition.

Solutions

Salt or sugar dissolved in water is an example of a solution. The particles are less than 2 x 10-9 m in size. They are so small that you cannot distinguish between the solute (the thing being dissolved) and the solvent (the thing that dissolves the solute).

Colloids

Colloids are the ones whose particle sizes range from 2 x 10-9 m to 5 x 10-7 m. Here the particles are small enough that they remain suspended.

The intermolecular forces are strong enough to overcome the nature of particles to settle or float, owing to their small sizes. A few examples are given below which will help you better understand the nature of colloids.

Colloids are classified as follows:


Colloids can be further catcategorized on their dispersion medium (solid, liquid, or gas). Here is a table to assist you.
Phase of Dispersion Medium of Dispersion Colloid Type Example
Solid Solid Solid Sol Gemstones, Pearls
Liquid Solid Gel Cheese, Jellies, Jam
Gas Solid Solid Sol Pumice Stone
Solid Liquid Sols Gum, Cell Fluids
Liquid Liquid Emulsion Milk
Gas Liquid Foam Froth, Whipped Cream
Solid Gas Aerosol Smoke
Liquid Gas Aerosol Fog, Clouds




 

What exactly are homogenous examples?

 Homogeneous Mixtures include Water, Air, Steel, Detergent, Saltwater mixture, etc.

Is milk a heterogeneous mixture?

Milk is a heterogeneous mixture because it contains different elements that are not uniformly mixed. These elements can be seen when milk is poured into a glass, and the fat globules rise to the top.

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