Read pages 154-156 and answer the following questions.

1. Define synthetic reaction.
2. What is the chemical name of the plastic used to make trash bags and soda bottles?
3. A molecule of polyethylene is mad of ____________________ units of ethylene.
4. What is a polymerization reaction?
5. Write down the general form of synthetic reaction.
6. Write down the equation that represents formation of NaCl.
7. In a synthetic reaction the product is _________________________ compound than the reactants.
8. Digestion and cracking of oil are examples of ___________________________.
9. Define decomposition reaction.
10. Write down the general form for decomposition reaction.
11. Write down the equation for decomposition of water.
12. What happens in electrolysis of water?
13. Define electrolysis.
14. Oxygen is a reactant in every _________________________________ reaction.
15. At least one product of a combustion reaction always contains ___________________________.
16. Define combustion relation.
17. In what condition Carbon Monoxide (CO) may form during burning of a carbon containing fuel?
18. __________________ is a poisonous gas because it lowers the ability of blood to _________________
19. Methane reacts with Oxygen to make __________________________.
20. How many molecules are needed for combustion of each Methane (CH₄) molecule?