Welcome to your Grade 12 Chemistry chapter 5
After carefully reading the following 30 questions, choose the correct answer.
1.
How is environmental chemistry defined?
2.
Which compartment of the environment consists of the earth's crust and upper mantle?
3.
What is the "solvent" in our atmospheric "solution"?
4.
Which process converts solar energy into chemical energy in plants?
6.
Which gas is the primary contributor to the greenhouse effect from fossil fuel combustion?
7.
What is the effect of carbon monoxide on the human body?
8.
Which substances are responsible for the depletion of the ozone layer?
9.
Eutrophication in water bodies is primarily caused by an excess of:
10.
What does "atom economy" measure in a chemical reaction?
11.
Which of the following is a greenhouse gas?
12.
What is the goal of Green Chemistry?
13.
Which compartment of the environment includes all living organisms?
14.
What is the main source of volatile organic compounds (VOCs) in the atmosphere?
15.
Which process in the nitrogen cycle involves the biological oxidation of ammonia to nitrate?
17.
Which of the following is a common land pollutant?
18.
What happens when CFCs interact with ultraviolet radiation in the upper atmosphere?
19.
Which principle of Green Chemistry emphasizes using starting materials that are renewable?
20.
Why is the greenhouse effect necessary for life on Earth (in moderation)?
21.
What type of pollution is caused by untreated sewage discharge?
22.
Which gas is produced during the biological process of respiration?
23.
What is the "sink" in environmental chemistry?
24.
Which atmospheric layer allows dangerous UV radiation to reach Earth when ozone is depleted?
25.
What defines "Cleaner Production"?
26.
Which pollutant irritates the lungs and affects breathing, often found in industrial areas?
27.
Acid rain is primarily associated with the presence of which oxides in the atmosphere?
28.
What is the effect of global warming?
29.
Which of the following is a benefit of Green Chemistry?
30.
In the context of Green Chemistry, what is preferred over disposal?
