NAME _______________________________________

Chemical Reactions Practice, p. 9

18.	sodium metal + water e. What is burning in this reaction? f. Why does the flame appear orange?
19.	silver nitrate + potassium dichromate a. Complete and balance the reaction. b. Classify the reaction.
20.	zinc + iodine a. Complete and balance the reaction. b. Classify the reaction. c. Explain why we might see a cloud of purple vapors.