Emulsifying Agents Quiz

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What type of emulsifying agent is gelatin?

Anionic surfactant

Cationic surfactant

Natural emulsifying agent (correct)

Non-ionic surfactant

Which method of preparation involves the combination of water, emulsifying agent, and oil?

Nascent soap method

Dry Gum method

Wet Gum method (correct)

Bottle method

What equipment is commonly used for the preparation of emulsions?

Incubator

Centrifuge

Homogenizer (correct)

Filter paper

Which test involves diluting an O/W emulsion with water?

Miscibility test Signup and view all the answers

Which of the following is a synthetic emulsifying agent?

Quaternary ammonium compounds Signup and view all the answers

What is an example of a finely divided solid that can act as an emulsifying agent?

Aluminum hydroxide Signup and view all the answers

What is the role of acacia in the mineral oil emulsion?

Emulsifying agent Signup and view all the answers

Which ingredient in the mineral oil emulsion acts as a stabilizer?

Alcohol Signup and view all the answers

What is the purpose of Vanillin in the mineral oil emulsion?

Flavorant Signup and view all the answers

Which classification of suspensions is based on particle size?

Coarse and Colloidal Signup and view all the answers

Which method involves dispersing finely divided powders in a liquid vehicle for preparation of suspensions?

Precipitation Method Signup and view all the answers

What is the purpose of using surfactants during the precipitation method for preparation of suspensions?

To ensure uniform wetting of hydrophobic factors Signup and view all the answers

What is the purpose of formulating an emulsion?

To improve drug taste Signup and view all the answers

Which phase of an emulsion includes the undissolved or immiscible drug distributed throughout the liquid vehicle?

Dispersed phase Signup and view all the answers

What determines the type of emulsion formed?

Order of mixing Signup and view all the answers

Which type of emulsion has water dispersed in an oil or oleaginous medium?

Water-in-oil Signup and view all the answers

What do natural emulsifying agents primarily derive from?

Animal or plant sources Signup and view all the answers

Which of the following is a natural emulsifying agent derived from a vegetable source?

Pectin Signup and view all the answers