Cookin Chem Activity 1 & 2 - F13

20 Questions | Total Attempts: 67

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Chemical Element Quizzes & Trivia

Demonstrate your Knowledge of Cookin Chem Activity 1 & 2


Questions and Answers
  • 1. 
    What are the products of a complete combustion?
    • A. 

      Oxygen & water

    • B. 

      Carbon dioxide & water

    • C. 

      Hydrogen & water

    • D. 

      Carbon & water

  • 2. 
    What are  2 requirements for a combustion reaction to occur?
    • A. 

      Fuel & oxygen

    • B. 

      Fuel & hydrogens

    • C. 

      Carbon dioxide & oxygen

    • D. 

      Water & oxygen

  • 3. 
    When cooking an egg in a frying pan (egg TOUCHING pan) the primary type of heat energy transfer is
    • A. 

      Conduction

    • B. 

      Convection

    • C. 

      Radiation

    • D. 

      Emulisification

  • 4. 
    When boiling noodles in water the primary type of heat energy transfer is
    • A. 

      Conduction

    • B. 

      Convection

    • C. 

      Radiation

    • D. 

      Emulsification

  • 5. 
    Heat transfers from ________ to ________
    • A. 

      Hot, cold

    • B. 

      Cold, hot

    • C. 

      Air, water

    • D. 

      Water, air

  • 6. 
    If I stick a metal skewer (stick) into a potato, the amount of cooking time required  will
    • A. 

      Decrease

    • B. 

      Stay the same

    • C. 

      Increase

  • 7. 
    When matter condenses it is an _______________________ reaction and entropy ____________________.
    • A. 

      Endothermic, increases

    • B. 

      Endothermic, decreases

    • C. 

      Exothermic, increases

    • D. 

      Exothermic, decreases

  • 8. 
    Evaporation feels cold because it
    • A. 

      Absorbs energy from its surroundings

    • B. 

      Releases energy to its surroundings

    • C. 

      Speeds up molecules

    • D. 

      Slows down molecules

  • 9. 
    The temperature of a burger is a measure of the average _________________ of the particles that make up the burger.
    • A. 

      Activation energy

    • B. 

      Potential energy

    • C. 

      Kinetic energy

    • D. 

      Ionization energy

  • 10. 
    Solid X is placed in contact with solid Y. Heat energy will flow spontaneously from X to Y when
    • A. 

      X is 50 degrees Celsius and Y is 50 degrees Celsius

    • B. 

      X is 10 degrees Celsius and Y is 0 degrees Celsius

    • C. 

      X is -50 degrees Celsius and Y is -5 degrees Celsius

    • D. 

      X is 25 degrees Celsius and Y is 30 degrees Celsisu

  • 11. 
    What temperature on the Kelvin scale is equal to 0 degrees Celsius?
    • A. 

      -273 K

    • B. 

      0 K

    • C. 

      273 K

    • D. 

      32 K

  • 12. 
     Why does water put out a fire?
    • A. 

      It smothers the fire

    • B. 

      It reduces the temperature of the flame

    • C. 

      It wets and dilutes the fuel

    • D. 

      It displaces the oxygen

  • 13. 
    Which of these has the greatest amount of heat energy?
    • A. 

      16 oz. of steaming apple cider

    • B. 

      Apple pie hot from the oven

    • C. 

      A full 50 gallon rain barrel outside

    • D. 

      A 20,000 gallon sizing pool

  • 14. 
    Why is oxygen need for combustion?
    • A. 

      To allow the fire to "breathe"

    • B. 

      To combine with carbon to form carbon dioxide & to combine with hydrogen to form water

    • C. 

      Oxygen is the fuel source

    • D. 

      Oxygen makes it explode

  • 15. 
    In lab, the string burnt upward then stopped once it reached the forceps despite the fact that there was more string to burn just beyond the point of "holding" the string. What did the forceps do?
    • A. 

      Squeeze the string so there was no fuel source

    • B. 

      Prevent oxygen from reaching the fuel source

    • C. 

      Lowered the temperature preventing combustion

    • D. 

      Pierced the string

  • 16. 
    When the beaker was placed over the burning candle, the candle slowly went out. Why?
    • A. 

      The beaker cut off the fuel source

    • B. 

      The beaker cut off the oxygen

    • C. 

      The beaker fogged up

    • D. 

      The condensation put out the flame

  • 17. 
    Mixing vinegar and baking soda created a gas that extinguished the candle's flame. This gas is also found in fire extinguishers. What is this gas?
    • A. 

      Oxygen

    • B. 

      Hydrogen

    • C. 

      Carbon dioxide

    • D. 

      Carbon monoxide

  • 18. 
    A product of incomplete combustion is a clear, colorless, odorless, deadly gas known as
    • A. 

      Carbon dioxide, CO2

    • B. 

      Oxygen, O2

    • C. 

      Hydrogen , H2

    • D. 

      Carbon monoxide, CO

  • 19. 
    Which of these includes only one kind of heat transfer?
    • A. 

      Cooking a pancake in a skillet

    • B. 

      Steaming broccoli

    • C. 

      Using a stick to cook hotdogs over a fire

    • D. 

      None of these

  • 20. 
    How are particles of objects affected when their heat-energy is increased?
    • A. 

      They aren't affected at all

    • B. 

      The particles move slower

    • C. 

      The particles move faster

    • D. 

      The particles stop all motion

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