chapter 11

Which of these acts as a pollutant in the troposphere but as a UV shield in the stratosphere?

• O₃

• CO

• SO₂

• Pb

Which of these processes is represented by the given equation?

​

C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O + energy

• nitrogen fixation

• combustion

• photosyntheisis

• ozone depletion

• respiration

Chlorofluorocarbons are not used in _____.

• aerosol propellants

• refrigeration systems

• industrial solvents

• fast-food containers

• steel utensils

Which of these gases is/are considered inert and unreactive?

I. Ne

II.O₂

III. Ar

IV.CO₂

• 1 only

• 11 only

• 11 and 111

• 1 ,111, 1V

• 1 and 111

____ is broken down by bacteria in the soil to its compounds, and these compounds are used directly by plants.

• N₂

• O₂

• Ar

• He

• CO₂

Which of these is responsible for the rusting of metal and dulling of paint

• N₂

• O₂

• Ar

• He

• CO₂

Which of these pollutants can damage the kidneys, liver, and nervous system?

• CO

• NO₂

• SO₂

• O₃

• Pb

The temperature scale used in problems involving gas law equation must be expressed in _____.

• Celsius

• Kelvin

• Fahrenheit

• rankine

• newton

According to Boyle's law, if the pressure of a gas is decreased by a factor of 5, then the _____ of the gas is _____ by a factor of _____.

• volume ; increased five

•  

  volume; decreased; 1/5^th

• volume; increased; 15

• temperature; increased; 5

• temperature; decreased; 1/5^th

The _____ layer of the atmosphere contains ozone that protects humans from harmful UV rays.

• ionosphere

• troposphere

• mesophere

• stratosphere

• thermosphere