Directions: Encircle the letter of the correct answer 1. Methane is a component of natural what the comme methane? A fuel B. medicine 2. Why is it important to know the properties of communem A. to know the uses of the liquids B. to know how these liquidis, affect people C. to know possible dangers of these kinds of mana D. all of the above 3 Which hydrocarbon compound has a double bed in the main A Ethanc B Methane How many types of bands are them in the form compounds? = A 1 B2 c3 5. Which of the following compounds is a carbonyl compom CHC=C- I-- В. HH
