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Eleventh Grade (Grade 11) Properties of Matter Questions

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Grade 11 Properties of Matter
A substance's temperature is best defined as a measurement of the
  1. total kinetic energy of its atoms.
  2. entropy of the substance.
  3. average kinetic energy of its atoms.
  4. molar heat capacity of the substance.
Grade 11 Properties of Matter
Which of the following statements correctly describes changes in the motion of particles as the temperature of a container is decreased from 45ºC to 22ºC?
  1. The particles contract, in terms of their size.
  2. The particles expand, in terms of their size.
  3. The particles move more quickly.
  4. The particles move more slowly.
Grade 11 Properties of Matter
What is one property involved in separating saltwater from sand?
  1. size
  2. boiling point
  3. conductivity
  4. first ionization energy
Grade 11 Properties of Matter
What percent of potassium acetate, KCH3COO, is carbon?
  1. 24.5%
  2. 3.49%
  3. 34.9%
  4. 2.86%
Grade 11 Properties of Matter
Which of the following physical properties is considered to be extensive?
  1. Density
  2. Phase
  3. Melting Point
  4. Mass
Grade 11 Properties of Matter
Which of the following can you separate physically?
  1. carbon dioxide
  2. seawater
  3. ammonia
  4. gold
Grade 11 Properties of Matter
At STP, tellurium is a
  1. liquid.
  2. solid.
  3. gas.
  4. plasma.
Grade 11 Properties of Matter
When a substance's mass decreases, which of the following is true regarding its density and its volume?
  1. Its density remains unchanged, and its volume increases.
  2. Its density increases, and its volume decreases.
  3. Its density remains unchanged, and its volume decreases.
  4. Its density decreases, and its volume increases.
Grade 11 Properties of Matter
Which of the following describes a decrease in kinetic energy?
  1. deposition
  2. the cooling of a solid
  3. condensation
  4. evaporation
Grade 11 Properties of Matter
Which of the following samples of matter contains particles with the highest average kinetic energy?
  1. A sample of matter with a volume of 35 mL, at 25ºC
  2. A sample of matter with a volume of 125 mL, at 25ºC
  3. A sample of matter with a volume of 32 mL, at 99ºC
  4. A sample of matter with a volume of 130 mL, at 15ºC
Grade 11 Properties of Matter
Which of the following situations describes an instance in which kinetic energy is constant, while potential energy increases?
  1. melting
  2. the heating of a liquid
  3. the cooling of a gas
  4. the cooling of a solid
Grade 11 Properties of Matter
Which of the following properties depends on the amount of the sample that is being examined?
  1. Density
  2. Solubility
  3. Boiling Point
  4. Temperature
  5. Volume
Grade 11 Properties of Matter
Which of the following statements correctly describes the molecular motion of liquid particles?
  1. They tend to vibrate in fixed positions.
  2. They tend to move in a random, straight-line motion.
  3. They tend to flow past each other at a rate that depends on viscosity.
  4. Both b and c are correct.
Grade 11 Properties of Matter
Which of the following is an example of amorphous substance?
  1. Glucose
  2. Glass
  3. Alum
  4. Common salt
Grade 11 Properties of Matter
Why does oil float, instead of sink, in water?
  1. It is less dense than water is.
  2. Oil is a solid.
  3. It is more dense than water is.
  4. Water has more energy.
Grade 11 Properties of Matter
The temperature at which all motion ceases is 0ºC.
  1. True
  2. False
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