Koloid

What is the definition of a colloid?

• A mixture of two liquids
• A mixture of two solids
• A mixture of one solid and one liquid
• A mixture of two or more substances that remain evenly distributed

Which of the following is NOT an example of a Colloid?

• Smoke
• Fog
• Smog
• Steam

What is the difference between a colloid and a suspension?

• Colloids remain evenly dispersed, while suspensions are separated
• Colloids are separated, while suspensions remain evenly dispersed
• Colloids are liquid based, while suspensions are solid based
• Colloids are solid based, while suspensions are liquid based

Which of the following colloids is NOT a gas dispersed in a liquid?

• Foam
• Smoke
• Clouds
• Fog

Which of the following is NOT a type of colloid?

• Emulsion
• Foam
• Crystal
• Solution

What is the purpose of the stabilizing agent in a colloid?

• To keep the particles of the colloid suspended
• To increase the solubility of the colloid
• To speed up the rate of reaction
• To keep the colloid from separating

What is the role of a surfactant in a colloid?

• To increase the solubility of the colloid
• To keep the particles of the colloid suspended
• To speed up the rate of reaction
• To keep the colloid from separating

Which of the following is NOT classified as a colloid?

• Fog
• Cream
• Steam
• Liquid smoke

When a colloid is added to a liquid, which of the following will increase?

• Viscosity
• Surface tension
• Conductivity
• Solubility

Which of the following is NOT an example of an emulsion colloid?

• Milk
• Smoke
• Whipped cream
• Blood