Chemistry II F13 Final Exam
Good luck on your final!
- 1.An example of phosphorescence would be
- A.
An LED
- B.
Overhead lights
- C.
Glow-in-dark stars
- D.
Flashlight
- 2.When vinegar and baking soda are reacted, the mass of the products are
- A.
More than the starting materials
- B.
Less than the starting materials
- C.
Same as starting materials
- 3.A redox reaction shows the flow of _________.
- A.
Protons
- B.
Neutrons
- C.
Electrons
- D.
Antimatter
- 4.An exothermic reaction would feel _____ to the touch.
- A.
Hot
- B.
Cold
- C.
Fuzzy
- D.
Smooth
- 5.When water freezes (liquid to solid) , entropy
- A.
Increases
- B.
Decreases
- C.
Stays the same
- 6.To balance the reaction ____Fe + ___O2 --> ___Fe2O3 the correct coefficients are
- A.
4, 3, 2
- B.
4, 2, 3
- C.
3, 2, 4
- D.
3, 4, 2
- 7.How many N's in 4 C3H5(NO3)3
- A.
1
- B.
3
- C.
12
- D.
24
- 8.In the metal activity series, Mg is ABOVE Zn. If I want a reaction to occur between Mg & Zn, the solid would have to be
- A.
Mg
- B.
Zn
- C.
Both Mg & Zn
- D.
Neither
- 9.When atoms absorb energy, the electrons move to a(n) __________ state.
- A.
Excited
- B.
Ground
- C.
Middle
- 10.The smaller wavelengths of light have a ___________ energy level.
- A.
Lower
- B.
Higher
- C.
Non-existent
- 11.What happens to the temperature of a material while it boils?
- A.
Increases
- B.
Decreases
- C.
Stays the same
- D.
Takes an absolute value
- 12.Reduction is when ___________ are ___________.
- A.
Electrons, gained
- B.
Electrons, lost
- C.
Protons, gained
- D.
Protons, lost
- 13.To be conduction, a solution must have ions that
- A.
Are electrons
- B.
Are protons
- C.
Can move
- D.
Can glow
- 14.A statement of the Kinetic Molecular Theory is that gases
- A.
Are clear
- B.
Are mostly odorless
- C.
Move in constant rapid random motion
- D.
Have no mass
- 15.The dissolved salt in the ocean is an example of
- A.
A distillation
- B.
A filtration
- C.
A solute
- D.
A solvent
- 16.When the amount of gas and pressure are constant, when the temperature decreases the volume of the balloon
- A.
Goes up
- B.
Goes down
- C.
Stays constant
- 17.Making sure an instrument makes exact (accurate) measurements is an example of performing a
- A.
Chromatography
- B.
Distillation
- C.
Filtration
- D.
Calibration
- 18.The difference in charges on the atoms in a water molecule causes OTHER water molecules to bond through a
- A.
Polar-covalent bond
- B.
Covalent bond
- C.
Polar bond
- D.
Hydrogen bond
- 19.What are 2 requirements for a combustion reaction to occur?
- A.
Fuel & oxygen
- B.
Fuel & hydrogens
- C.
Carbon dioxide & oxygen
- D.
Water & oxygen
- 20.Three ways to denature proteins include:
- A.
Heat, water & salt
- B.
Heat, water & pectin
- C.
Heat, acid & salt
- D.
Heat, salt & pectin
- 21.When proteins are denature, they ______________.
- A.
Clump up like a glob
- B.
Become cystalline
- C.
Unravel
- D.
Break all bonds
- 22.Heat is defined as
- A.
The amount of kinetic energy
- B.
The amount of potential energy
- C.
The amount of hotness
- D.
The amount of coldness
- 23.Cooking an egg in a frying pan (egg TOUCHING pan) is an example of
- A.
Conduction
- B.
Convection
- C.
Radiation
- D.
Emulisification
- 24.Food coloring mixes easily with water because it is
- A.
Hot
- B.
Cold
- C.
Hydrophobic
- D.
Hydrophillic
- 25.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
Questions: 10 | Attempts: 40293 | Last updated: Aug 26, 2021
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Sample QuestionWhat is the name of this chemical? NH4+
Questions: 10 | Attempts: 37939 | Last updated: Jun 23, 2020
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Sample QuestionAll matter consists of particles called________________.
Questions: 13 | Attempts: 27180 | Last updated: Aug 27, 2021
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Sample QuestionThe substances that enter a chemical reaction are called __________.
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