0
Add your answer:
Earn +20 pts
How can distinguish a colloid from a suspension?
the colloidal particle show tyndal effect while suspended particles donot. Colloidal particles donot settle down but the suspended particles get settledown.
How is colloid distinguished from a solution or a suspension?
Colloids are homogeneous mixtures where particles are evenly distributed but not dissolved, leading to a stable dispersion. Solutions are homogeneous mixtures where solute particles are dissolved uniformly in the solvent. Suspensions are heterogeneous mixtures where particles are not dissolved and settle out over time.
How you can prepare colliodal solution from true solution?
To prepare a colloidal solution from a true solution, you can add a dispersing medium (such as water) to the true solution. This will break down the solute particles in the true solution into smaller particles, forming a colloidal suspension. The interactions between the solute particles and the dispersing medium will stabilize the colloidal particles, preventing them from settling.
Can a coarse graiend soil be a honey combed structure?
NO, Only Very fine particles or particles of colloidal size(< 0.001 mm) may be in a flocculated or dispersed state. Coarse grained soil have greater size then 0.001mm and are heavier so settle down…..and form single grained structure….
What would happen to the particles in a mug of coffee it you let them cool down?
The particles may settle down at the bottom of the mug...
How does a colloIdal mixer work?
A colloidal mixer works by creating a high shear force that breaks down particles into smaller sizes, allowing them to disperse evenly in a liquid medium. This process involves rotating parts that generate intense turbulence, promoting the mixing of materials on a molecular level. The result is a stable suspension where colloidal particles remain evenly distributed throughout the mixture.
How is a suspension different from a colloid?
Suspension has particles, same as colloids. However, the particles in a suspension do not settle down but if is no so for the colloid.
Why some solids settle down after sometimes?
Solids settle down due to gravity, which causes particles to move downward towards the bottom of a container or surface. This settling process occurs as heavier particles displace lighter particles and move to a lower position under the influence of gravity. Factors such as particle size, shape, and density can affect how quickly solids settle.
What are the application of colloids?
Applications of colloids are unlimited. Colloids find its applications in everyday life phenomena. Some of important applications of colloids are discussed.Purification of waterWater contains colloidal impurities .These impurities can be weeded out by using electrolyte like Alum. Alum is positively charged Al3+ ion which attracts negatively charged colloidal impurities. These neutralized particles settle down and pure water is decanted off. Thus Alum is used to remove dirt and impurities present in the colloidal solution. Food ItemsLarge numbers of food articles which we use in our daily life are colloidal in nature. For example, milk, butter and ice creams are colloidal in nature. MedicineMost of the medicines are colloidal in nature. Colloidal calcium and gold are administered by injections to raise the vitality of human system. Smoke Precipitation using Cottrell precipitatorColloidal particles of Smoke and dust are major source of pollution in big industrial cities. Smoke precipitation is technique of precipitating smoke particles present in air. Smoke particles are the electrically charged colloidal particle suspended in air. To remove these particles from air, Cottrell precipitator is used. Cottrell precipitator uses principle of electrophoreses (movement of colloidal particles under influence of electric field) to weed out smoke particles. Air containing smoke and dust particles are allowed to pass through metal electrodes present inside Cottrell precipitator. These charged particles moves towards oppositely charged electrodes and get deposited there from which they are scrapped mechanicalSewage disposalDirt and mud particles are electrically charged. By applying electric field in sewage tank, dirt particles reach the oppositely charged electrode, get neutralized and are coagulated. These coagulated particles are suspended in solution and are easily removed. Artificial rainColloids find another application in producing artificial rain. Cloud consists of charged particles of water dispersed in air. These particles are neutralized by spraying oppositely charged particles over a cloud. These neutralized particles of water combine to form large water drops. Thus, artificial rain is caused by the aggregation of minute particles of water to form large particles.
Is a mixture in which the particles are spread out through the liquid but are large enough to settle to the bottom?
This type of mixture is called a suspension. Suspensions contain particles dispersed in a liquid medium, and these particles are large enough to settle out over time due to gravity. Stirring or shaking a suspension can temporarily disperse the particles, but they will eventually settle back down.
Suspension different from a colloid solution?
They are different b/c suspensions have particles that do not settle down.
Which rock particle would settle first as a stream slows?
The heaviest rock particles will settle first as a stream slows down. This is because heavier particles have more mass and momentum, making them more likely to sink to the bottom. Lighter particles will remain suspended in the water longer.
