Directions: choose the letter of the best answer. Write the chosen letter on a space provided next to the item number.

1. Which of the following colloid is harmful to environment?

a. Whipped cream
b. Artificial aerosol
c. Jelly jam

2. A phenomenon of scattering of light in colloidal mixture is called ________.

a. Brownian motion
b. Absorption
c. Tyndall effect

3. Which of the item below is a colloid?

a. Cream
b. Vegetable salad
c. Lacquer

4. Some colloids are used for medicines and cosmetics which one below?

a. Magnesium hydroxide
b. paints
c. white glue

5. Mixture of particles scattered evenly and dispersed without settling down.

a. Solute
b. Colloid
c. Solution


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