Rate Of Reactions_ Endo & Exo_acids And Bases

35 Questions  I  By Kristi.taylor on January 31, 2010
This is a quiz created for 8th grade Physical Science students. This is the last bit of chemistry that is covered in our AL Course of Study before moving into our Physics sections. This covers rates of chemical reactions, endothermic and exothermic reactions and acids and bases.

  

Question Excerpt

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1.  _______________ is needed to break bonds and _______________ is released when new bonds are formed. (same word for both blanks)
2.  Breaking a solid reactant into smaller pieces will
A.
B.
C.
D.
3.  What would be a reasonable pH for a base that is not very strong and not very weak?
A.
B.
C.
D.
E.
4.  Bonus #2If you have equal amounts of  of HCl (hydrochloric acid) and NaOH (sodium hydroxide) with the same concentration and you mix them together, would the pH be 0-6 or 8-14 or 7? Explain your answer.
5.  What kind of a reaction is ice cream melting?
A.
B.
6.  What kind of reaction is a blow torch?
A.
B.
7.  Which kinds of reactions absorb energy?
A.
B.
8.  What is the movement of water from an area of low solute concentration to an area of high solute concentration?
A.
B.
C.
D.
9.  Which kind of reaction is photosynthesis?
A.
B.
10.  What kind of a reaction is a firefly's glow?
A.
B.
11.  Bonus #1 Suppose you have 1L of and acid solution with a pH of 2. You add 1L of pure water. The pH will go _______.
12.  Why does putting a light stick in the freezer make it last longer?
A.
B.
C.
D.
13.  Is soap an acid, base or neutral solution?
A.
B.
C.
14.  If a solution has a pH below 7 then you know that solution is a/an __________.
15.  What is the name of the scale used to measure the acidity of a solution?
A.
B.
C.
D.
16.  If the reaction needs more energy than the reactants have, then the reaction will be
A.
B.
C.
D.
17.  What does a light stick and a nuclear reaction have in common?
18.  What are the 4 things that can affect the rate of a reaction?
A.
B.
C.
D.
19.  What process is the following animation showing?
A.
B.
C.
D.
20.  If a solution has a lot of H+ (Hydrogen ions), will it be an acid, base or neutral?
A.
B.
C.
21.  If a solution has a pH above 7 then you know that the solution is a/an ____________.
22.  When the reactants have more energy than is needed what happens to this extra energy?
A.
B.
C.
D.
23.  What kind of reaction is sugar and sulfuric acid (H2SO4)?
A.
B.
24.  What is the pH of a neutral solution?
A.
B.
C.
D.
25.  What is it called when acids and bases destroy each other's chemical properties?
A.
B.
C.
D.
26.  A solution's ___________________________ depends on the number of particles that are present in a certain volume.
27.  The numbers on the pH scale usually go from zero to ___________.
28.  Which of the following is not a characteristic of bases?
A.
B.
C.
D.
29.  What kind of reaction releases energy?
A.
B.
C.
D.
30.  What happens to a catalyst in a chemical reaction?
A.
B.
C.
D.
31.  What is the pH of the weakest acid?
A.
B.
C.
D.
E.
32.  Is orange juice an acid, base or neutral solution?
A.
B.
C.
33.  In a chemical reaction, adding a catalyst will
A.
B.
C.
D.
34.  What is the pressure that resists osmosis?
A.
B.
C.
D.
35.  Which of the following is not a characteristic of acids?
A.
B.
C.
D.
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