Question

write the difference between solution, colloids and suspension.
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Answer 1

Answer:

Suspensions

A suspension is a mixture between two substances, one of which is finely divided and dispersed in the other. Common suspensions include sand in water, dust in air, and droplets of oil in air. Particles in a suspension are larger than those in a solutions; they are visible under a microscope and can often be seen with the naked eye. Particles in a suspension will settle out if the suspension is allowed to stand undisturbed. Many particles of a suspension can be separated through a filter. An example of a simple suspension would be flour in water, or sand in water.

Colloids

A colloid is a type of mixture intermediate between a homogeneous mixture (also called a solution) and a heterogeneous mixture with properties also intermediate between the two.  

The particles in a colloid can be solid, liquid or bubbles of gas. The medium that they are suspended in can be a solid, liquid or gas (although gas colloids cannot be suspended in gas).The particles are approximately 10 to 10,000 angstroms in size and generally cannot be filtered, or settled out in an easy manner. Colloids may be colored or translucent because of the Tyndall effect, which is the scattering of light by particles in the colloid. Colloid particles may be seen in a beam of light such as dust in air in a "shaft" of sunlight.

Emulsions are a type of colloid

Emulsions are an example of colloids composed of tiny particles suspended in another immiscible (unmixable) material. An emulsion is a suspension of two liquids that usually do not mix together. These liquids that do not mix are said to be immiscible. An example would be oil and water. If you mix oil and water and shake them a cloudy suspension is formed. Let the mixture rest and the oil and water will separate.

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Answer 2

Answer:

In Solution, solute and solvent are present in a definite ratio

This is not the case with suspension and colloids

In solution, you cannot see the solute particles

Same with colloid

But not the case with suspension

Solutions and Colloids are stable as solute doesn't settle down if left standstill. Not the case with suspension, which is highly unstable

Tyndall Effect is seen in Suspensions and colloids but not seen in solutions.

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