QUESTION 2.1

Define the term solution. How many types of solutions are formed? Write briefly about each type with an example.

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Solution

Solution: A solution is a homogeneous mixture of two or more pure substances. It means their composition and properties are uniform throughout the solution. Solute and solvent are two components of a solution.

Types of solutions: On the basis of different states of solute and solvent solutions are of three types mainly, which are further categorized into three.

These are listed in the following table with examples.
$\begin{matrix} T y p e s o f s o l u t i o n s & S o l u t e & S o l v e n t & E x a m p l e s 1. & G a s e o u s s o l u t i o n s & (a) & G a s & G a s & M i x t u r e o f o x y g e n a n d n i t r o g e n g a s e s (b) & L i q u i d & G a s & C h l o r o f o r m m i x e d w i t h n i t r o g e n g a s (c) & S o l i d & G a s & C a m p h o r i n n i t r o g e n g a s . 2. & L i q u i d s o l u t i o n s & (a) & G a s & L i q u i d & O x y g e n d i s s o l v e d i n w a t e r (b) & L i q u i d & L i q u i d & E t h a n o l d i s s o l v e d i n w a t e r . (c) & S o l i d & L i q u i d & G l u c o s e d i s s o l v e d i n w a t e r 3. & S o l i d s o l u t i o n s & (a) & G a s & S o l i d & S o l u t i o n o f h y d r o g e n i n p a l l a d i u m (b) & L i q u i d & S o l i d & A m a l g a m o f m e r c u r y w i t h s o d i u m (c) & S o l i d & S o l i d & C o p p e r d i s s o l v e d i n g o l d \end{matrix}$

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