Physical Science: Chemistry, Book L

Section 2: Rates of Chemical Reactions

Self-Check Quiz-Eng.

1.
The minimum amount of energy to start any chemical reaction is called the __________ of the reaction.
A)energy requirement
B)energy of inhibition
C)energy of catalyzation
D)activation energy
2.
__________ tells you how much something changes during a period of time.
A)A rate
B)Age
C)A balanced chemical equation
D)Speed
3.
Most chemical reactions __________ when temperature increases.
A)slow down
B)speed up
C)stop
D)continue at the same rate
4.
When iron combines with oxygen and water in the air to form rust, what substance in the reaction is the product?
A)rust
B)iron
C)oxygen
D)water
5.
If electric current passes through water and initiates a reaction, what are the expected products?
A)hydrogen oxide
B)hydrogen peroxide
C)oxygen and water
D)hydrogen and oxygen
6.
The amount of substance present in a certain volume is called the __________ of that substance.
A)concentration
B)chemical formula
C)atomic number
D)activation energy
7.
What type of substance slows down a chemical reaction?
A)catalyst
B)enzymes
C)endotherm
D)inhibitor
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.