Unit 8 - Chemical Solutions Test

31 Questions

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Unit 8 - Chemical Solutions Test

Chemical solutions are homogenous mixtures composed of two or more substances. This usually involves a solute being dissolved into another. Think you know all there is to know about Chemical solutions? Try your hand at this scientific quiz!


Questions and Answers
  • 1. 
    In a solution, the substance that is being dissolved is the _____.
    • A. 

      Solute

    • B. 

      Solvent

    • C. 

      Liquid

    • D. 

      Gas

  • 2. 
    The air that you breathe is an example of a(n) ____.
    • A. 

      Gas

    • B. 

      Solid

    • C. 

      Liquid

    • D. 

      Amalgam

  • 3. 
    In soda pop, the solvent would be the _____.
    • A. 

      Water

    • B. 

      Carbon dioxide

    • C. 

      Sugar

    • D. 

      Flavoring

  • 4. 
    A substance that does not conduct an electric current when it forms a solution is a(n) _____.
    • A. 

      Electrolyte

    • B. 

      Nonelectrolyte

    • C. 

      Polar substance

    • D. 

      Salt

  • 5. 
    A solution that contains all of the solute it can normally hold at a given temperature is _____.
    • A. 

      Dilute

    • B. 

      Unsaturated

    • C. 

      Supersaturated

    • D. 

      Saturated

  • 6. 
    The process by which the particles in a crystal are separated and drawn into solution by water is called _____.
    • A. 

      Ionization

    • B. 

      Dissociation

    • C. 

      Polarity

    • D. 

      Saturation

  • 7. 
    Increasing the surface area of a solid _____.
    • A. 

      Slows the speed of dissolving

    • B. 

      Has no effect on the speed of dissolving

    • C. 

      Increases the speed of dissolving

    • D. 

      Causes the solid to ionize

  • 8. 
    The solubility of gas in a liquid occurs faster if the liquid is ______.
    • A. 

      Heated

    • B. 

      Cold

    • C. 

      Under low pressure

    • D. 

      An electrolyte

  • 9. 
    Which of the the following types of solutes dissolves well in water?
    • A. 

      Hydrocarbons

    • B. 

      Polar molecules

    • C. 

      Nonpolar molecules

    • D. 

      Oil

  • 10. 
    The concentration of a solution that contains a large amount of solute in the solvent could be described as _____.
    • A. 

      Unsaturated

    • B. 

      Polar

    • C. 

      Concentrated

    • D. 

      Dilute

  • 11. 
    Which of the following would dissolve in iodine?
    • A. 

      Water

    • B. 

      Ethanol

    • C. 

      Polar solvent

    • D. 

      Vinegar

  • 12. 
    An alloy is an example of a _____ solution.
    • A. 

      Gaseous

    • B. 

      Liquid

    • C. 

      Solid

    • D. 

      Dilute

  • 13. 
    Adding more solute to a solvent _____.
    • A. 

      Raises its freezing point

    • B. 

      Lowers its boiling point

    • C. 

      Raises its boiling point

    • D. 

      Does not affect its boiling point

  • 14. 
    What is the first step of the dissolving process?
    • A. 

      The molecules of the solvent pull the molecules of the solute into solution.

    • B. 

      The molecules of the solute pull the molecules of the solvent into solution.

    • C. 

      The moving molecules of the solvent spread the molecules of the solute equally throughout the solution.

    • D. 

      The moving molecules of the solvent surround the molecules of the solute.

  • 15. 
    Which of the following combination would increase the solubility of a gas in a liquid?
    • A. 

      Increase the pressure and decrease the temperature

    • B. 

      Increase the pressure and temperature

    • C. 

      Decrease the pressure and temperature

    • D. 

      Decrease the pressure and increase the temperature

  • 16. 
    Which of the following will speed up the dissolving of a solid solute in water?
    • A. 

      Stir the solution

    • B. 

      Cool the solution

    • C. 

      Grind up the solvent

    • D. 

      Freeze the solute

  • 17. 
    Water is sometimes referred to as the universal solvent because _____.
    • A. 

      It has no separated positive and negative areas

    • B. 

      It is a small molecule and can fit easily among the molecules of many solutes

    • C. 

      It has a polar and nonpolar end

    • D. 

      Its molecules can slip easily among molecules of a nonpolar solvent

  • 18. 
    One commonly used precise way to describe concentrations of solutions is to state _____.
    • A. 

      That the solution is dilute or concentrated

    • B. 

      The percentage by area of the solute

    • C. 

      The percentage by volume of the solute

    • D. 

      The percentage by volume of the solvent

  • 19. 
    A molecule with a positive and negative area is ___.
    • A. 

      Polar

    • B. 

      Nonpolar

    • C. 

      Ionic

    • D. 

      Radioactive

  • 20. 
    The maximum amount of a solute that can be dissolved in a given amount of solvent is its ______.
    • A. 

      Concentration

    • B. 

      Density

    • C. 

      Solubility

    • D. 

      Dilution

  • 21. 
    Soap has a(n) ______ end that will dissolve in water and has a long hydrocarbon proton that will dissolve in oily dirt.
    • A. 

      Ethanol

    • B. 

      Dry

    • C. 

      Toxic

    • D. 

      Ionic

  • 22. 
    Adding a solute to a solvent raises the freezing point of the solvent.
    • A. 

      True

    • B. 

      False

  • 23. 
    Adding a solute to a solvent raises the boiling point of a solvent.
    • A. 

      True

    • B. 

      False

  • 24. 
    A substance that produces ions in water is a nonelectrolyte.
    • A. 

      True

    • B. 

      False

  • 25. 
    The ocean is a solution because it is a mixture of salts and water.
    • A. 

      True

    • B. 

      False

  • 26. 
    A gas dissolves in a liquid most rapidly when under low pressure.
    • A. 

      True

    • B. 

      False

  • 27. 
    Adding antifreeze to a car radiator increases the boiling point of the water in the radiator.
    • A. 

      True

    • B. 

      False

  • 28. 
    A general statement that describes which substances dissolve which is "like dissolves unlike."
    • A. 

      True

    • B. 

      False

  • 29. 
    Because grease is nonpolar, it cannot be dissolved in water.
    • A. 

      True

    • B. 

      False

  • 30. 
    An alloy is a solid solution.
    • A. 

      True

    • B. 

      False

  • 31. 
    The process called dissociation separates ionic crystals into ions.
    • A. 

      True

    • B. 

      False