Solutions
Solutions
A solution is a homogeneous mixture of two or more substances. ‘Homogeneous’ means ‘uniform throughout’. Thus, a solution will have its composition uniform throughout. Usually, a solution is formed when a substance is dissolved in a liquid. For example, when sodium chloride is dissolved in water, we get a solution. Solution of two substances is the most common type of solution and is termed as binary solution. With three or four components it is referred as ternary or quaternary solution respectively. The two constituents of solution are :- Solvent and solute.
Solvent :- The liquid in which a substance is dissolved. A solvent is thus a dissolving agent. In a solution, the solvent is called the medium of dispersion.
Solute :- The substance which is dissolved in a solvent to produce a solution is called a solute. The solute particles in a solution are called dispersed particles.
Properties of a Solution
1. A solution is clear and transparent. For example, a solution of sodium chloride in water is clear and transparent.
2. The solute in a solution does not settle down even after the solution is kept undisturbed for some time.
3. In a solution, the solute particles cannot be distinguished from the solvent particles even under a microscope. In a- true solution, the particles of the solute disappear into the space between the particles of the solvent.
4. A solution is homogeneous, i.e., the composition of a solution is the same throughout.
5. The components of a solution cannot be separated by filtration.
6. The diameter of the solute particles in a solution is of the order of 8 - 10 cm.
Which of the following are correct : (a) The substance which is dissolved in a solvent to produce a solution is called a solute. (b) When sodium chloride is dissolved in water, we get a solution, Sodium chloride is a solute. | |||
| Right Option : C | |||
| View Explanation | |||
A mixture of ammonia and water is a _______________ | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following is not an example of solvent for non aqueous solution ? | |||
| Right Option : D | |||
| View Explanation | |||
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