10. What happens when you put a small amount of solute in a large amount of solvent? *
1 point
a. The solution will be diluted.
b. The solution will be concentrated.
c. The solution will be uniform.
d. The solution will be immiscible.
11. Which of the following will produce suspension when mix? *
1 point
a. Water and salt
b. Water and coffee
c. water and sugar
d. Water and sand
12. Which of the following mixture is the most concentrated? *
1 point
a. 20 grams of salt dissolved in 100 ml of water
b. 30 grams of salt dissolved in 100 ml of water
c. 40 grams of salt dissolved in 100 ml of water
d. 50 grams of salt dissolved in 100 ml of water
13. Why is colloid classified as heterogeneous mixture? *
1 point
a. Its tiny particles are visible to the naked eye.
b. It is a uniform mixture with one phase of matter
c. Its tiny particles are still suspended in the dispersing medium
d. Its tiny particles settle at the bottom of dispersing medium.
14. What is the best description of Tyndall Effect in a colloid? *
1 point
a. The particles are large enough to scatter light.
b. The particles are small enough to scatter light.
c. The particles cannot be seen through a microscope.
d. The particles are easily seen by the eyes.
15. Which of the following colloid can be used as substitute for cooking oil to sauté food? *
1 point
a. Paint
b. Butter
c. cheese
d. milk
16. Mother told you to disinfect the bathroom. Which set of materials will make a good disinfectant solution? *
1 point
a. paint, water, thinner
b. chlorox, powdered detergent, kerosene
c. water, bath soap, toothpaste
d. water, powdered detergent, chlorox
17. How can you dissolve chocolate powder, sugar and powdered milk faster to make chocolate drink? *
1 point
a. use tap water and stir the mixture
b. use hot water and stir the mixture
c. use lukewarm water and stir the mixture
d. use cold water and stir the mixture
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