SELECT * FROM question_mgmt as q WHERE id=656 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=3 AND subId=9 AND chapterId=57 and ex_no='2' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)
Define the term solution. How many types of solutions are formed? Write briefly about each type with an example.
A solution is a homogeneous mixtures of two or more than two substances on molecular level.The constitutent of the mixture present in a smaller amount is called the SOLUTE & the one present in larger amount is called the SOLVENT.For eg. Small amount of sugar(solute) dissolved in water(solvent).
SOLUTE + SOLVENT = SOLUTION
There are nine types of solutions formed.They are:
Sno |
State of solute |
State of solvent |
Examples |
1 |
GAS |
GAS |
Air |
2 |
GAS |
LIQUID |
Oxygen in water |
3 |
GAS |
SOLID |
Smole particles in air |
4 |
LIQUID |
GAS |
Carbon dioxide dissolved in water |
5 |
LIQUID |
LIQUID |
Alcohol in water |
6 |
LIQUID |
SOLID |
Mercury in silver |
7 |
SOLID |
GAS |
Adsorption of hydrogen over palladium |
8 |
SOLID |
LIQUID |
Sugar in water |
9 |
SOLID |
SOLID |
Carbon in Iron(steel) |
Out of these nine types of solution , solid in liquid, liquid in liquid & gas in liquid are very common.When the components of the solution are mixed,the resulting solution may be in the solid, liquid or gaseous state.They are
(i) Gaseous solution:The solution in which the solvent is a gas is called a gaseous solution. In these solutions, the solute may be liquid, solid, or gas. For example, a mixture of oxygen and nitrogen gas is a gaseous solution.
(ii) Liquid solution:The solution in which the solvent is a liquid is known as a liquid solution. The solute in these solutions may be gas, liquid, or solid.
(iii) Solid solutions: The solution in which the solvent is a solid is known as a solid solution.The solute in these solutions may be a gas, liquid or solid. For example, a solution of copper in gold is a solid solution.
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