Question:

The measured BOD values for four different water samples (A-D) are as follows:
A = 3 ppm; B = 18 ppm; C = 21 ppm; D = 4 ppm;. The water samples which can be called as highly polluted with organic wastes, are

Updated On: Jul 6, 2024
  • A and B
  • A and D
  • B and C
  • B and D
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The Correct Option is C

Solution and Explanation

The correct answer is (C) : B and C
Highly polluted water should have BOD value of 17 ppm or more.

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Environmental Chemistry

Environmental chemistry is the study of chemical processes and their impacts on the natural environment. It is a multidisciplinary field that combines principles from chemistry, ecology, biology, and geology to understand the complex interactions between chemicals and living organisms.

Environmental chemists investigate how pollutants such as toxic metals, organic chemicals, and pesticides affect ecosystems, including soil, water, and air. They also develop methods to monitor and measure these pollutants, as well as techniques for their removal or remediation.

Environmental chemistry also examines the impact of natural processes on the environment, such as the cycling of nutrients and the chemical reactions that occur in the atmosphere, oceans, and soil. This research can inform policy decisions related to environmental protection and management.

Read More: Difference Between Environment and Ecology

Examples of environmental chemistry applications include studying the effects of acid rain on ecosystems, developing methods for treating contaminated water and soil, and understanding the sources and fate of greenhouse gases in the atmosphere.

Overall, environmental chemistry plays a crucial role in identifying and addressing environmental problems, and it is essential for ensuring a sustainable future for our planet.