JEE Main Chemistry: Environmental Chemistry Practice Questions

13 questions with answers and step-by-step solutions. Tap any question to see the full worked solution.

  1. Q1.
    Which of the following gases is primarily responsible for the depletion of the ozone layer in the stratosphere?
    Easy
  2. Q2.
    What is the permissible limit of nitrate ion concentration in drinking water as per Indian standards?
    Easy
  3. Q3.
    What is the pH range of normal rain water?
    Easy
  4. Q4.
    Which gas is the major contributor to the greenhouse effect on Earth?
    Easy
  5. Q5.
    Which of the following is considered a secondary pollutant?
    Easy
  6. Q6.
    The biochemical oxygen demand (BOD) of a water sample is a measure of which of the following?
    Medium
  7. Q7.
    Which of the following statements regarding the depletion of the ozone layer is correct?
    Medium
  8. Q8.
    What is the primary cause of the greenhouse effect in the Earth's atmosphere?
    Medium
  9. Q9.
    Which gas is primarily responsible for the formation of acid rain when it reacts with water in the atmosphere?
    Medium
  10. Q10.
    Which of the following statements regarding the greenhouse effect is correct?
    Hard
  11. Q11.
    In the context of water pollution, the biochemical oxygen demand (BOD) value of clean water is typically less than a certain threshold. What is this threshold i
    Hard
  12. Q12.
    Which of the following reactions is primarily responsible for the depletion of the ozone layer in the stratosphere by chlorofluorocarbons?
    Hard
  13. Q13.
    Consider the photochemical smog formation process. Which of the following species is responsible for the initiation of the chain reaction leading to the formati
    Hard

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