Evaluation-Science-Week 4

Which description best describes colloids?

• Composed of molecules bigger than a solution but smaller than a suspension.

• Mixtures of two or more substances than can be easily separated.

• Formed by mixing different kinds of solutions.

• Have molecules that are big enough to settle at the bottom.

Which of the following is the best description of colloids?

• Sticky, creamy substance

• Clear, pure substance

• Dark, black substance

• Clear, flawless substance

The following colloids are used for food preparation except ______.

• Gelatin

• Milk

• Silica Gel

• Whipped Cream

Which colloid has both protective and decorative function?

• Ink

• Insecticide Spray

• Paint

• Creams

You wanted to take a bath. Which colloid will you use?

• Shampoo

• Bath Soap

• Perfume

• Water