Mini-Quiz: Nitrogen

1. How is the amount of nitric oxide (NO) created from automobile engines reduced?

   NO is heavier than air and thus is made to stay near the groundSorry, not correct. Try another button. Catalytic converters in cars convert N2 and O2 into NO and then burn the gasGood try, but not right. Select another answer. Catalytic converters in cars revert 2NO back into N2 and O2 through a catalytic reactionThat is correct. You know about nitrogen.

2. Why is nitrogen important to us?

   It is the part of air that we need to breathe in to stay aliveSorry, not correct. Try another button. It is needed to fertilize the soil to grow cropsCorrect. You are doing well in chemistry. It is a major material for propelling space vehiclesOops! Wrong answer. Re-read the question and try again.

3. What is the most common method of preparing nitrogen?

   Removing the oxygen from the airThat is correct. You know about nitrogen. Breaking down nitrogen compoundsGood try, but not right. Select another answer. Removing the CO2 from the airOops! Wrong answer. Re-read the question and try again.

Pick an answer to see instant feedback. Re-read the lesson if you miss one.