Question 48 (2 points) Which is the balanced chemical equation showing hydrogen peroxide (H202) decomposing into hydrogen (H2) and oxygen (02)? OH202 - H2 + 02 OH2 + 02 - H202 (2 H2 + 02 - 2 H202 (2 H202 - 2 H2 + 02 Question 49 (2 points) All of these pollutants can be detected by their odors except co 3. SOx ONOx. Question 50 (2 points) Currently, the primary source of sulfur dioxide emissions into the atmosphere is coal burning power plants. diesel trucks. plastic manufacturing. O gasoline-powered lawnmowers