Pharmaceutical Solutions

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Questions and Answers

What are the characteristics of a solution in terms of its mixture?

It is a homogeneous mixture.

What is the typical size of solute particles in a solution?

Less than 1 nm in diameter.

What is the purpose of stabilizers in oral solutions?

To maintain the physicochemical stability of the drug.

What is the primary function of a solvent in a solution?

<p>To dissolve the other component in itself.</p> Signup and view all the answers

Why can't filtration be used to separate a solution?

<p>Because the particles of a solution pass through the filter paper.</p> Signup and view all the answers

What is the reason why a true solution does not scatter light?

<p>Because its particles are very small.</p> Signup and view all the answers

What is the term used to describe the component of a solution that dissolves in the solvent?

<p>solute</p> Signup and view all the answers

What type of solution is a saturated sugar solution containing sugar at or close to its saturation concentration of 67% w/w?

<p>syrup</p> Signup and view all the answers

What is the main difference between an elixir and a syrup?

<p>Elixirs are usually less sweet and less viscous than syrups, containing a lower proportion of sugar.</p> Signup and view all the answers

What is the role of the alcohol content in tinctures?

<p>The alcohol content protects against microbial growth and keeps the alcohol-soluble extractives in solution.</p> Signup and view all the answers

What type of solvent is used in oil-based solutions?

<p>Oil</p> Signup and view all the answers

What is the purpose of antimicrobial preservatives in syrups?

<p>To prevent microbial growth</p> Signup and view all the answers

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