Chemical And Physical Properties

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Physical And Chemical Quizzes & Trivia

Answer the following questions concerning physical and chemcial properties.


Questions and Answers
  • 1. 

    What is the universal solvent?

    • A.

      Alcohol

    • B.

      Paint thinner

    • C.

      Water

    • D.

      Acetone

    Correct Answer
    C. Water
    Explanation
    Water is considered the universal solvent because it has the ability to dissolve a wide range of substances. This is due to its unique molecular structure, which allows it to form hydrogen bonds with other molecules. These hydrogen bonds break apart the solute particles and surround them, dispersing them evenly throughout the solvent. Water's polarity also enables it to dissolve both polar and nonpolar substances, making it an effective solvent for many different compounds. Additionally, water's abundance and accessibility in nature make it the most widely used solvent in various biological, chemical, and industrial processes.

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  • 2. 

    Even though all solid states of other materials are denser than the liquid states of materials, what is a unique property of water?

    • A.

      It is clear

    • B.

      Solid water (ice) is less denser than liquid water (ice floats iin water)

    • C.

      It is tasteless

    • D.

      It can freeze

    Correct Answer
    B. Solid water (ice) is less denser than liquid water (ice floats iin water)
    Explanation
    One unique property of water is that its solid state, ice, is less dense than its liquid state. This means that ice floats in water, which is not commonly observed with other materials. This property is due to the hydrogen bonding between water molecules, which causes them to arrange in a lattice structure when frozen, resulting in increased space between the molecules and lower density.

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  • 3. 

    Which is a list of physical properties of a substance that can be observed or measured without changing the it's identiy?

    • A.

      Color, shape, texture, odor, melting point, boiling point, density, soluability

    • B.

      Combusibility, acidity, reactivity

    • C.

      Acidity, basicity

    • D.

      Soluablity

    • E.

      Reactivity, acidity

    Correct Answer
    A. Color, shape, texture, odor, melting point, boiling point, density, soluability
    Explanation
    The list of physical properties of a substance that can be observed or measured without changing its identity includes color, shape, texture, odor, melting point, boiling point, density, and solubility. These properties can be determined through visual observation or by conducting experiments that do not alter the chemical composition of the substance.

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  • 4. 

    Which chemical property means the ability for a substance to burn?

    • A.

      Acidity

    • B.

      Reactivity

    • C.

      Combustibility

    • D.

      Basicity

    Correct Answer
    C. Combustibility
    Explanation
    Combustibility refers to the ability of a substance to burn. It is a chemical property that indicates the likelihood of a material to ignite and sustain a fire or combustion process. Substances with high combustibility are easily ignited and burn readily, while those with low combustibility require more heat or oxygen to ignite. Acidity, reactivity, and basicity are other chemical properties that are unrelated to the ability to burn.

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  • 5. 

    What measures the average kinetic energy of the atoms and molecules in matter?

    • A.

      Liters

    • B.

      Temperature

    • C.

      Grams

    • D.

      Meters

    Correct Answer
    B. Temperature
    Explanation
    Temperature measures the average kinetic energy of the atoms and molecules in matter. It is a measure of how fast the particles are moving and how much energy they possess. The higher the temperature, the greater the average kinetic energy of the particles. Temperature is typically measured in units such as degrees Celsius or Fahrenheit.

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  • 6. 

    What temperature does water turn into ice freezes?

    • A.

      32 degrees Farenheit

    • B.

      0 degrees Celsius

    • C.

      212 degrees Farenhieht

    • D.

      37 degrees Celcius

    Correct Answer
    B. 0 degrees Celsius
    Explanation
    Water freezes at 0 degrees Celsius because this is the temperature at which its molecules slow down and form a solid lattice structure. At temperatures below 0 degrees Celsius, water molecules lose energy and arrange themselves into a crystal lattice, resulting in the formation of ice.

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  • 7. 

    What is the independent variable of an experiment if you place three of the same types of plants in the same type of soil, then give them the same amounts of water each day, but place them under different colored light?

    • A.

      The soil

    • B.

      The plants

    • C.

      The water

    • D.

      The lights

    Correct Answer
    D. The lights
    Explanation
    In this experiment, the independent variable is the lights. The independent variable is the factor that is intentionally manipulated or changed by the researcher. In this case, the researcher is placing the plants under different colored lights. By doing so, they are testing how different colored lights might affect the growth or development of the plants. The other variables, such as the soil, the plants, and the water, are kept constant in order to isolate the effect of the lights on the plants.

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  • 8. 

    Referring to question number 7, what is the dependent variable?

    • A.

      The height the plants grow

    • B.

      The soil

    • C.

      The water

    • D.

      The lights

    Correct Answer
    A. The height the plants grow
    Explanation
    The dependent variable in this question is the height the plants grow. The dependent variable is the factor that is being measured or observed in an experiment and is expected to change in response to the independent variable. In this case, the height of the plants is being measured, and it is expected to vary based on the other variables such as the soil, water, and lights.

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  • 9. 

    Referring to question number 7, what are the materials in an experiment that are kept the same such as the soil, water, and plants?

    • A.

      Independent variable

    • B.

      Constants

    • C.

      Dependent variable

    • D.

      Variable

    Correct Answer
    B. Constants
    Explanation
    In an experiment, the materials that are kept the same, such as the soil, water, and plants, are called constants. These are factors that are intentionally kept unchanged throughout the experiment in order to isolate and analyze the effect of the independent variable on the dependent variable. By keeping these materials constant, any changes observed in the dependent variable can be attributed solely to the independent variable being tested.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 25, 2008
    Quiz Created by
    Pcooper
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