| Methane
1. At room temperature methane is a: a) solid b)liquid c) gas d)either a gas or liquid Answer:c) gas 2. When methane is burned in the presence of oxygen: a) only oxygen is released b) only carbon dioxide is released c)pure carbon is formed d) carbon dioxide and water are released Answer:d) carbon dioxide and water are released 3. True or False -- Methane is a greenhouse gas a)true b) false Answer:a)true 4. The molecular weight for methane is: a) 32 b) 16 c) 18 d) 22 Answer:b) 16 5. Which of the following statements is correct a) methane is a principal component of natural gas b)the atmosphere contains approximately 2% methane c) methane is not considered a biogas d) all of the above Answer:a) methane is a principal component of natural gas |