Read pages 157-160 and answer the following questions.

1. What happens when pieces of Aluminum foil are added to Copper II Chloride solution?
2. What are the reddish brown lumps?
3. Why does the blue color in the Copper II Chloride solution fade?
4. In the Copper II Chloride solution the Cu atoms are in the form of ___________
5. After the reaction the Aluminum atoms become ________________ and the Cu atoms become _________
6. Write down the general form of single displacement reaction.
7. Define single displacement reaction.
8. Write down the chemical equation that represents reaction between Copper II Chloride and Al.
9. What happens generally in a single displacement reaction?
10. What kind of reaction does Potassium undergo with water?
11. Name the ions formed during the reaction between K and H₂O.
12. Define double displacement reaction.
13. Write down the general form of double displacement reaction.
14. Write down the equation that represents reaction between Lead nitrate and Potassium Chromate.
15. Electrons are transferred in a ________________________ reaction.
16. In formation of rust each Fe atoms loses ____ electrons to form ________________ ions.
17. Each Oxygen atom gains ______________ electrons to form __________ ion.
18. Substances that accept electrons are said to be _______________.
19. The substances that give up electrons are said to be _________________________.
20. Some reactions don't involve electrons. In those reactions:

1. What is Oxidation?
2. What is Reduction?

1. Define Reduction Oxidation or redox reaction.
2. Polymerization reaction can occur when _____________ are formed.
3. Define radicals.
4. Why is an uncharged Hydrogen atom a radical?
5. Radicals react quickly to form ____________________________.
6. Give 2 examples of processes in which radicals are formed.