!Assessment POSTTEST
Multiple Choice: Read and analyze each question diligently. Write your answer on
the separate sheet.
1. Which mixture forms a homogeneous?
C. seawater D. sand and water
A. mixed nuts B. oil and water
2. Which substance is an example of mixture?
D. sugar
A. air
C. salt
B. carbon dioxide
3. The substance in a homogeneous mixture completely dissolves after stirring, it
appeared as one substance. You can no longer distinguish one component from the
other? What other term can substitute for homogeneous mixture?
A. Dissolution
B. Solute
C. Solution D. Solvent
4. Which of these does not belong to the group?
A. binignit B. pancit
C. salt
D. halo-halo
5. When you mix orange juice powder to water, is what kind of mixture?
A. Heterogeneous mixture
C. Homogeneous
B. Homogeneous mixture
D. Insoluble mixtures
6. The following are mixtures except one.
C. peanut spread
B. peanut butter D. peanuts with mongo seeds
7. Why does sugar disappear when mixed with water?
A. The sugar settles at the bottom
B. The sugar particles spread evenly in water
C. The particles of sugar are absorbed by the water
D. The particles of sugar become odorless & tasteless
8. When do you say that a mixture is homogeneous?
A. peanuts
A. The particles are dissolved completely
B. The components cannot be identified
C. The components are easily identified
D. The particies are curripieieiy issuived in other subsianice
y. Which of these best described heterogeneous?
A. They have uniform composition
B. They show only one phase
C. They have components that are not uniform
D. They have the same properties.
10. Which statement tells about mixtures?
A. Mixtures have definite shape and mass
B. Mixtures are commonly solids and liquids
C. Mixtures composed of two or more substances that are chemically combined
D. Mixtures composed of two or more substances which are physically
combined.