Smoke is a Mixture of Particles Suspended in the Air

Smoke is a Mixture of Particles Suspended in the Air 
By: Alzahraa Alrubaiey 
A suspension is a mixture between a liquid and particles of solid. A suspension is a heterogenous mixture. When particles are big enough to eventually settle, they are called suspension. But if the particles are too small to ever settle, they are said to form a colloid. So, a colloid is a mixture in which one substance of microscopically dispersed insoluble particles is suspended throughout another substance. Colloid is homogenous mixtures, while a suspension is a heterogenous mixture.                                         
Smoke is a suspension in air of small particles resulting from incomplete combustion of a fuel. The particles in a suspension are far larger than those of a solution, so gravity is able to pull them down. A suspension is a heterogeneous mixture in which the solute particles do not dissolve, but get suspended throughout the air of the solvent, left floating around freely in the medium. That’s why smoke is a mixture of particles suspended in the air. Because when the smoke is released in the air it gets suspended throughout the solvent. 
Smoke is a collection of tiny solid, liquid and gas particles. Although smoke can contain hundreds of different chemicals and fumes, visible smoke is mostly carbon. Each particle is too small to see with your eyes, but when they come together, you see them as smoke. Smoke is a collection of tiny unburned particles. Smoke can often cause more damage to a building than flames or the heat of the fire.  
Smoke can cause some serious effects on the body. With increased oxygen, these can ignite either through open flames or by their own temperature. This leads to a back draught or flashover effect. In the future scientists can use other types of mixtures to prevent this. They might also change the way people escape during a fire. Because when people get exposed to smoke they might die. 



                     Links To Articles 

                 1. https://chem.libretexts.org/Courses/University_of_Kentucky/UK%3A_CHE_103_-_Chemistry_for_Allied_Health_(Soult)/Chapters/Chapter_7%3A_Solids%2C_Liquids%2C_and_Gases/7.6%3A_Colloids_and_Suspensions

          

     2. https://www.ducksters.com/science/chemistry/chemical_mixtures.php



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