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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?

To dissolve the other component in itself. Signup and view all the answers

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

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

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

Because its particles are very small. Signup and view all the answers

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

solute 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?

syrup Signup and view all the answers

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

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

What is the role of the alcohol content in tinctures?

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

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

Oil Signup and view all the answers

What is the purpose of antimicrobial preservatives in syrups?

To prevent microbial growth Signup and view all the answers