Table of Contents
What is considered a true solution?
A true solution is a homogeneous mixture with uniform properties throughout. Particle size of solvent is less than 1nm. Particles of true solutions cannot be filtered through filter paper and are not visible by naked eyes. In true solution the particle size of solute is about the same as that of the solvent.
Which is not a true solution?
The Correct Answer is Option 1 i.e Milk. A solution is a homogeneous mixture containing two or more substances. In a solution, the solute particles cannot be separated from the solvent.
Which of the following are true solutions?
True solution – Salt solution, copper sulphate solution, sugar and water solution, vinegar, air, brass. Colloidal solution – Milk, Blood, Soap solution, starch solution, ink. Suspension – Milk of magnesia, chalk powder and water solution, flour in water, muddy water.
Which of the following is an example of true solution?
Simple solution of sugar in water is an example of true solution. Particles of true solution cannot be filtered through filter paper and are not visible to naked eye. Colloidal Solution is a heterogeneous mixture in which particle size of substance is intermediate of true solution and suspension i.e. between 1-1000 nm.
Is Brass a true solution?
Brass is an alloy made primarily of copper, usually with zinc. Alloys in general may be solid solutions or they simply be mixtures. Usually you can think of brass as a solid solution consisting of zinc and other metals (solutes) dissolved in copper (solvent).
Is alum a true solution?
no, it is not a true solution. alum is a positive colloidal substance. Alum in water is sol.
Which of the following is a true solution in water?
True Solution is a homogeneous mixture of two or more substances in which substance dissolved (solute) in solvent has the particle size of less than 10-9 m or 1 nm. Simple solution of sugar in water is an example of true solution.
Why is a solution called a true solution?
Answer: A solution is called a true solution because a true solution contains all the particles in right composition and correctly dissolved. so a solution is known to be as true solution.
Is glucose a true solution?
Glucose in water is colloid because it is a heterogeneous system. True Solution is a homogeneous mixture of two or more substances having particle size less than 1 nm. …
How many types of true solution are there?
Another distinction between these three types of solutions is that True is transparent, while Colloidal is translucent, and Suspension is opaque.
Is gold is a solid solution?
A mixture of elements at the atomic level. Metals used in dentistry which readily form solid solutions with gold are copper, platinum, palladium, and silver. Steel is an example of a solid solution of a small amount of carbon in iron.
What is the colour of iron ( II ) and iron ( 3 )?
(b) +3 as iron (III) ion, Fe 3+ An aqueous solution containing iron (II) ions, Fe 2+ is pale green in colour, whereas that containing iron (III) ions, Fe 3+ is yellow/yellowish-brown/ brown in colour. Changing iron (II) ions to iron (III) ions is an oxidation and therefore requires an oxidising agent.
What happens when you change iron II to iron III?
Changing iron (II) ions to iron (III) ions is an oxidation and therefore requires an oxidising agent. On the other hand, changing iron (III) ions to iron (II) ions is a reduction and therefore requires a reducing agent.
What happens when iron is mixed with copper sulfate?
The Reaction of Iron with Copper (II) Sulfate. Copper can form two possible cations, cuprous (Cu+1) and cupric (Cu+2). When solid copper is reacted with a silver nitrate solution, two reactions are possible, as shown in the following equations: a.
Can a reducing agent replace an iron ( II ) ion?
On the other hand, changing iron (III) ions to iron (II) ions is a reduction and therefore requires a reducing agent. The following are other oxidising agents that can replace bromine water in changing iron (II) ions to iron (III) ions.