Ozone Layer Depletion
Chemistry ⇒ Environmental Chemistry
Ozone Layer Depletion starts at 10 and continues till grade 12.
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See sample questions for grade 12
Describe one method used to monitor ozone layer thickness.
Describe the chemical process by which CFCs lead to the destruction of ozone molecules in the stratosphere.
Describe the impact of ozone layer depletion on amphibians.
Describe the role of sunlight in the breakdown of CFCs in the stratosphere.
Explain how ozone depletion can affect marine ecosystems.
Explain the difference between 'good' ozone and 'bad' ozone.
Explain the term 'ozone hole'.
Explain why CFCs are so persistent in the atmosphere.
Which international agreement was established to phase out the production of ozone-depleting substances? (1) Kyoto Protocol (2) Montreal Protocol (3) Paris Agreement (4) Geneva Convention
Which layer of the atmosphere contains the highest concentration of ozone? (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Thermosphere
Which of the following compounds is primarily responsible for ozone layer depletion? (1) Carbon dioxide (2) Methane (3) Chlorofluorocarbons (CFCs) (4) Nitrogen gas
Which of the following is a direct effect of ozone layer depletion on the environment? (1) Ocean acidification (2) Reduced photosynthesis in phytoplankton (3) Increased greenhouse effect (4) Acid rain
Fill in the blank: The destruction of ozone by chlorine atoms is an example of a ________ reaction.
Fill in the blank: The main anthropogenic cause of ozone layer depletion is the emission of ________ compounds.
Fill in the blank: The main function of the ozone layer is to absorb ________ radiation from the Sun.
Fill in the blank: The main reactive species responsible for ozone destruction in the stratosphere are ________ and bromine atoms.
True or False: Ozone depletion can lead to a decrease in crop yields.
True or False: Ozone depletion leads to an increase in the incidence of skin cancer in humans.
True or False: Ozone is equally beneficial in both the troposphere and the stratosphere.
True or False: Ozone molecules are formed when oxygen molecules absorb ultraviolet light and split into individual oxygen atoms.
