Practice Quiz

MTEL Chemistry Practice Exam - Question List

Select how would you like to study

Study Mode Free Daily Question Test Mode
11.
Potassium hydrogen carbonate is best classified as which of the following types of matter?
  1. Heterogeneous mixture
  2. Element
  3. Homogeneous mixture
  4. Compound
See answer
12.
Fog, which is composed of finely divided water droplets dispersed in air, is an example of which of the following types of mixtures?
  1. Solution
  2. Aerosol
  3. Foam
  4. Emulsion
See answer
13.
The products of a chemical reaction are solid zinc carbonate and aqueous sodium chloride. Which of the following procedures will achieve the best separation of the mixture into its three components?
  1. Filtering the mixture and then distilling the filtrate.
  2. Crystallizing the mixture and then decanting the aqueous portion.
  3. Centrifuging the mixture and then crystallizing the supernatant.
  4. Distilling the mixture and then centrifuging the distillate.
See answer
14.
Which of the following statements correctly identifies a difference between a physical change and a chemical change?
  1. New atoms are formed in a chemical change but not in a physical change.
  2. Energy is conserved in a physical change but not in a chemical change.
  3. New substances are formed in a chemical change but not in a physical change.
  4. Mass is conserved in a physical change but not in a chemical change.
See answer
15.
The constituent particles in a substance in its solid state tend to:
  1. Remain motionless.
  2. Vibrate about fixed positions.
  3. Slide freely past one another.
  4. Move constantly in straight lines.
See answer

Select how would you like to study

Study Mode Free Daily Question Test Mode