Module 1 Air part 2 Quiz

1. Nearly all human activity occurs in the …..

• mesosphere

• stratosphere

• thermosphere

• troposphere

2. The ozone layer is found in the ….

• mesosphere

• stratosphere

• thermosphere

• troposphere

3. The approximate percentage of nitrogen in the atmosphere is ….

• 18%

• 28%

• 48%

• 78%

4. After nitrogen and oxygen and ignoring water vapor concentration, the most abundant gas in the Earth’s atmosphere is

• argon

• carbon dioxide

• hydrogen

• methane

Lightning can convert atmospheric N₂ to …

• nitroglycerin

• ammonia

• nitrogen oxides

• bacteria

Conversion of atmospheric N₂ to biologically useful forms is called nitrogen …

• Addition

• fixation

• reduction

• dinitrification

The starting materials in the industrial process for making ammonia are …..

• N₂ and H₂

• N₂ and O₂

• NO₃^- and H₂

• NO₃^- and O₂