Chemistry of the Environment: Human Impact and Sustainability

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Questions and Answers

What is the primary tool that helps understand and manage the environment in a beneficial way?

  • Chemical engineering
  • Government regulations
  • Environmental activism
  • Advancements in technology (correct)

What is the critical factor for economic growth in both developed and developing nations?

  • Energy production
  • Industrial processes
  • Water treatment
  • Chemical processes (correct)

What is the wavelength range of radiation that breaks the C—Cl bond in chlorofluorocarbons?

  • 400-450 nm
  • 250-300 nm
  • 190-225 nm (correct)
  • 300-350 nm

What is the primary reactant that forms sulfuric acid in the air?

<p>Sulfur dioxide (A)</p> Signup and view all the answers

What is the main consequence of the depletion of ozone in the upper atmosphere?

<p>Increased risk of skin cancer (B)</p> Signup and view all the answers

What is the reason why chlorofluorocarbons are not degraded naturally in the atmosphere?

<p>They are not water soluble (C)</p> Signup and view all the answers

What is the primary goal of green chemistry in relation to the planet's natural processes?

<p>To maintain a balance between human activities and Earth's natural processes (D)</p> Signup and view all the answers

Which of the following principles of green chemistry is most closely related to minimizing waste?

<p>Prevention (B)</p> Signup and view all the answers

What is the primary advantage of multicropping in the context of ICM?

<p>Improved crop diversity and simultaneous land use (C)</p> Signup and view all the answers

Which of the following is NOT a principle of green chemistry?

<p>Renewable Resources (B)</p> Signup and view all the answers

What is the main characteristic of ICM as a form of crop production?

<p>Dynamic and adaptable (D)</p> Signup and view all the answers

Which of the following is a key requirement for meeting human needs in a sustainable manner, according to the principles of green chemistry?

<p>Meeting needs with renewable resources (A)</p> Signup and view all the answers

What is the primary goal of designing safer chemicals according to the principles of environmental chemistry?

<p>To minimize toxicity and maintain the desired function (C)</p> Signup and view all the answers

What is the preferred approach to chemical reactions in terms of energy efficiency?

<p>Conducting reactions at room temperature and pressure (B)</p> Signup and view all the answers

What is the purpose of using catalytic reagents in chemical processes?

<p>To improve product yields with a lower energy cost (D)</p> Signup and view all the answers

What is the primary goal of reducing derivatives in chemical processes?

<p>To minimize waste generation and reduce the use of additional reagents (C)</p> Signup and view all the answers

What is the preferred approach to the use of auxiliary substances in chemical processes?

<p>To use them as little as possible and opt for non-toxic alternatives (D)</p> Signup and view all the answers

What is the primary goal of designing for degradation in chemical processes?

<p>To minimize the environmental impact of chemical waste (A)</p> Signup and view all the answers

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