subject
Chemistry, 13.10.2020 02:01 paatnguyyen

!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.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 05:20
Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.
Answers: 1
question
Chemistry, 22.06.2019 09:00
What is the empirical formula for c4h8o2
Answers: 1
question
Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
question
Chemistry, 23.06.2019 01:30
Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature
Answers: 1
You know the right answer?
!Assessment POSTTEST
Multiple Choice: Read and analyze each question diligently. Write your an...
Questions
question
History, 21.08.2019 17:40
question
Mathematics, 21.08.2019 17:40
question
Physics, 21.08.2019 17:40
question
Biology, 21.08.2019 17:40
Questions on the website: 13722363