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Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.<br />
Name Date Class<br />
3<br />
<strong>Study</strong> Guide<br />
Classifying Chemical<br />
Reactions<br />
Chapter<br />
21<br />
Directions: Match the types of chemical reactions in Column II with the description in Column I. Write the letter<br />
of the correct reaction in the blank at the left.<br />
Column I<br />
Column II<br />
1. A precipitate, water, or a gas forms when two<br />
ionic compounds in solution are combined.<br />
2. Two or more substances combine to form<br />
another substance.<br />
3. One element replaces another in a compound.<br />
4. One substance breaks down into two or more<br />
substances.<br />
5. A type of synthesis reaction that produces heat<br />
and light.<br />
Directions: Write the name of the type of chemical reaction in the space provided.<br />
6. 4Fe(s) + 3O 2(g)→2Fe 2O 3(s)<br />
a. synthesis reaction<br />
b. decomposition reaction<br />
c. combustion<br />
d. single-displacement reaction<br />
e. double-displacement reaction<br />
7. Zn 2(s) + 2HCl(aq)→ZnCl 2(aq) + H 2(g)<br />
8. MgCO 3(aq) + 2HCl(aq)→MgCl 2(aq) + H 2O(l ) + CO 2 (g)<br />
9. NiCl 2(s) →Ni(s) + Cl 2(g)<br />
10. 4C(s) + 6H 2(g) + O 2(g)→2C 2H 6O(s)<br />
11. C 12H 22O 11(s)→12C(s) + 11H 2O(g)<br />
12. 2LiI(aq) + Pb(NO 3) 2(aq)→2LiNO 3 (aq) + PbI 2(s)<br />
13. CdCO 3(s)→CdO(s) + CO 2(g)<br />
14. Cl 2(g) + 2KBr(aq)→2KCl(aq) + Br 2(g)<br />
15. BaCl 2(aq) + 2KIO 3(aq)→Ba(IO 3) 2(s) + 2KCl(aq)<br />
16. 2Mg(s) + O2(g)→2MgO(s)<br />
17. AgNO 3(aq) + KI(aq)→AgI(s) + KNO 3(aq)<br />
18. 2Li(s) + H 2O(l)→2LiOH(aq) + H 2(g)<br />
19. C(s) + O 2(g)→CO 2(g)<br />
Classifying Chemical Reactions 79
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