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One way to differentiate between a solution and a colloid is through the Tyndall effect. In a solution, light passes through without scattering, while in a colloid, light scatters because the particles are large enough to reflect light. This can be observed by shining a light through the mixture - if the light beam is visible, it is a colloid, whereas if the beam is not visible, it is a solution.
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How can you tell the difference between suspension colloid or solution?
A suspension is a heterogenous mixture where particles settle out, a colloid is a homogenous mixture where particles are evenly dispersed but do not settle, and a solution is a homogenous mixture where solute is dissolved in a solvent. You can distinguish between them by observing if the mixture is uniform throughout (solution), if it has visible particles that settle over time (suspension), or if it appears uniform but scatters light (colloid).
How could you tell the difference between an iron chloride and sodium chloride solution?
One way to differentiate between iron chloride and sodium chloride solutions is to perform a chemical test using silver nitrate. Iron chloride solution will form a white precipitate of silver chloride, while sodium chloride solution will not react with silver nitrate. Another method is to use a flame test: iron chloride imparts a yellow color to the flame, while sodium chloride does not.
What is the difference between Benedict's solution and fehling's solution?
Benedict's solution is used to test for the presence of reducing sugars, such as glucose, in a sample. It is more sensitive than Fehling's solution, which is also used to test for reducing sugars but is less commonly used due to its complexity and need for separate solutions (Fehling's A and B) to be mixed in a specific ratio before testing. Benedict's solution is a single solution that is easier to use.
What test would you use to confirm that you have a solution of FeCl3?
You can use a precipitation test by adding NaOH solution to identify FeCl3, which forms a red-brown precipitate of iron hydroxide. Another test involves adding potassium ferrocyanide, which forms a deep blue precipitate of ferric ferrocyanide. Both of these confirm the presence of FeCl3.
What is use of litmus solution?
Litmus solution is used to test whether a substance is acidic or basic. It turns red in an acidic solution and blue in a basic solution. It is commonly used in science laboratories and in various industrial applications to determine the pH of a solution.
