Emulsions and Their Properties
Chemistry ⇒ Solutions and Colloids
Emulsions and Their Properties starts at 11 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Emulsions and Their Properties.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 11
Describe the difference between a simple emulsion and a multiple emulsion.
Describe the effect of adding an electrolyte to an emulsion.
Explain how the dye test can be used to distinguish between oil-in-water and water-in-oil emulsions.
Explain the difference between oil-in-water and water-in-oil emulsions with examples.
Explain why emulsions are considered colloidal systems.
Explain why emulsions are opaque or translucent rather than transparent.
Explain why emulsions tend to separate on standing.
Mayonnaise is an example of which type of emulsion?
Which of the following best defines an emulsion? (1) A solution of two miscible liquids (2) A colloidal dispersion of one liquid in another immiscible liquid (3) A suspension of solid particles in a liquid (4) A gas dissolved in a liquid
Which of the following can be used to test the type of emulsion? (1) Addition of water (2) Addition of oil (3) Addition of salt (4) Addition of sugar
Which of the following is a characteristic property of emulsions? (1) They are always colorless (2) They show Brownian movement (3) They are true solutions (4) They do not scatter light
Which of the following is a natural emulsifier found in egg yolk? (1) Lecithin (2) Casein (3) Albumin (4) Gelatin
Emulsions are a type of _______.
Fill in the blank: In a water-in-oil emulsion, _______ is the dispersion medium.
Fill in the blank: The size of dispersed droplets in an emulsion is typically in the range of _______ nanometers.
In an emulsion, the phase present in a larger amount is called the _______.
State whether the following statement is true or false: Emulsions are always transparent.
State whether the following statement is true or false: Emulsions can be both oil-in-water and water-in-oil types.
State whether the following statement is true or false: Emulsions can be filtered using ordinary filter paper.
True or False: Emulsions are thermodynamically stable systems.
