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Rate Of Reactions_ Endo & Exo_acids And Bases

35 Questions  I  By Kristi.taylor
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.

  
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Question Excerpt

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