Question

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0.3. Define and classify solutions. What are the advantages and disadvantages of solutions
Q.4. Eloborate on excipients used in formulation of liquid dosage forms
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Answer 1

A solution is defined as a homogenous mixture which mainly comprises two components namely solute and solvent.

On the basis of physical states of solvent and solute can be categorized as solid, liquid and gaseous solutions.In solid solutions, solute and solvent are in the solid-state. In liquid solutions, solid, gas or liquid is mixed in a liquid state. Gaseous solutions are usually homogenous mixtures of gases like air. Depending upon a number of solutions and solute, it can be classified into dilute and concentrated solutions.

Different Types of Solutions

• supersaturated solution
• unsaturated solution
• saturated solution

The solutions are of two forms, depending on whether the solvent is water or not.

• Aqueous solution
• Non-aqueous solution

NOTE

There in the image it's disadvantages and advantages of solution.

Go through it.

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