Mid-unit 3 Quiz

22 Questions | Total Attempts: 87

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Mid-unit 3 Quiz


Questions and Answers
  • 1. 
    Which law states that "The amount of disorder in the universe is constantly increasing."
    • A. 

      Law of Gravity

    • B. 

      Law of Order

    • C. 

      2nd Law of Thermodynamics

    • D. 

      2nd Law of Motion

  • 2. 
    A substance that is dissolved in water is:
    • A. 

      Aqueous

    • B. 

      Hydrated

    • C. 

      Anhydrous

    • D. 

      Polar

  • 3. 
    • A. 

      Speeds up a chemical reaction

    • B. 

      Allows a reaction to work that wouldn't otherwise

    • C. 

      Slows down a chemical reaction

    • D. 

      Participates in a chemical reaction and is used up

  • 4. 
    A large number placed in from of a compound in a chemical equation.
    • A. 

      Subscript

    • B. 

      Coefficient

    • C. 

      Variable

    • D. 

      Atomic number

  • 5. 
    An exothermic reaction that requires oxygen and produces carbon dioxide and water.
    • A. 

      Combustion

    • B. 

      Synthesis

    • C. 

      Decomposition

    • D. 

      Single-Replacement

  • 6. 
    A reaction that has a greater variety of products than reactants.  Example: 
    • A. 

      Synthesis

    • B. 

      Decomposition

    • C. 

      Single-Replacement

    • D. 

      Double-Replacement

  • 7. 
    Which of the following would be Delta (The symbol that represents heat)?
    • A. 
    • B. 
    • C. 
    • D. 
  • 8. 
    • A. 

      Double-Replacement

    • B. 

      Single-Replacement

    • C. 

      Synthesis

    • D. 

      Decomposition

  • 9. 
    A reaction that absorbs heat and feels cool is:
    • A. 

      Endothermic

    • B. 

      Enterothermic

    • C. 

      Exothermic

    • D. 

      Euthermic

  • 10. 
    A reaction that releases heat and feels hot is:
    • A. 

      Endothermic

    • B. 

      Enterothermic

    • C. 

      Exothermic

    • D. 

      Euthermic

  • 11. 
    The amount of disorder is known as:
    • A. 

      Entropy

    • B. 

      Enthalpy

    • C. 

      Atrophy

    • D. 

      Catalepsy

  • 12. 
    Something that is unable to dissolve in solution is:
    • A. 

      Soluble

    • B. 

      Insoluble

    • C. 

      Polar

    • D. 

      Non-Polar

  • 13. 
    "Matter is not created or destroyed" is known as the:
    • A. 

      Law of Motion

    • B. 

      Law of Conservation of Matter

    • C. 

      Law of Gravity

    • D. 

      Law of Chemistry

  • 14. 
    A solid, formed from the mixing of two liquids, is called a:
    • A. 

      Precipitate

    • B. 

      Solidate

    • C. 

      Bolus

    • D. 

      Catalyst

  • 15. 
    Materials that come out of chemical reactions are:
    • A. 

      Products

    • B. 

      Reactants

    • C. 

      Catalysts

    • D. 

      Enzymes

  • 16. 
    • A. 

      Synthesis

    • B. 

      Decomposition

    • C. 

      Single-Replacement

    • D. 

      Double-Replacement

  • 17. 
    Materials that go into chemical reactions are:
    • A. 

      Products

    • B. 

      Reactants

    • C. 

      Catalysts

    • D. 

      Enzymes

  • 18. 
    Something that is able to dissolve in solution is:
    • A. 

      Soluble

    • B. 

      Insoluble

    • C. 

      Polar

    • D. 

      Non-Polar

  • 19. 
    • A. 

      Synthesis

    • B. 

      Decomposition

    • C. 

      Single-Replacement

    • D. 

      Double-Replacement

  • 20. 
    • A. 

      Synthesis

    • B. 

      Decomposition

    • C. 

      Single-Replacement

    • D. 

      Double-Replacement

  • 21. 
    • A. 
    • B. 
    • C. 
    • D. 
  • 22. 
    • A. 
    • B. 
    • C. 
    • D.