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Chemistry - Environmental Chemistry

Practise 21 NTA Abhyas (JEE Main) questions on Environmental Chemistry. Each question shows a quick preview so you can jump straight to the topic you want to revise.

Environmental Chemistry has been asked in 0 of the 25 years of NTA Abhyas (JEE Main) papers analysed (2002–2026), with 21 questions in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2026, with 0 questions that year. In the last three years (2024–2026) it had 0 questions across 49 papers, about 0 per paper.

All of the chapter's questions come from a single topic, Uncategorized.

  1. 1The concentration of fluoride, lead, nitrate and iron in a water sample from an underground lake was found to be 1000 ppb, 40 ppb, 100 ppm a
  2. 2The recommended concentration of fluoride ion in drinking water is up to 1 ppm as fluoride ion is required to make teeth enamel harder by co
  3. 3Which of two water sample A B with BOD of 10 and 20 respectively, then mark correct option
  4. 4A petroleum fraction having boiling range 70 200 o C and containing 6 − 10 carbon atoms per molecule is called
  5. 5Fish die in water bodies polluted by sewage due to
  6. 6SO 2 is considered as an air pollutant because
  7. 7Minamata disease is due to pollution of
  8. 8Which is the most hazardous metal pollutant of automobile exhaust
  9. 9Ozone depletion in the stratosphere is mainly caused by
  10. 10Identify the pollutant gases largely responsible for the discoloured and lustreless nature of marble of the Taj Mahal.
  11. 11Which of the following compounds is used in anti-knock compositions to prevent the deposition of oxides of lead on spark plug, combustion ch
  12. 12The number of greenhouse gases in the following is ________. CO 2 , O 2 , N 2 O , CH 4 , CFCs , CO , H 2 O g , O 3
  13. 13The reaction that is not involved in the ozone layer depletion mechanism in the stratosphere is
  14. 14Identify the pollutant gases largely responsible for the discoloured and lustreless nature of marble of the Taj Mahal.
  15. 15Which of the following compounds is not an antacid?
  16. 16Which of the following is a sink for CO?
  17. 17Photochemical smog consists of excessive amount of X, in addition to aldehydes, ketones, peroxyacetyl nitrates (PAN) and so forth X is
  18. 18How many of the following pollutants are considered as non-viable particulate pollutants? Smoke, dust, fungi, mists, moulds, algae, smog, ba
  19. 19A water sample has ppm level concentration of following anions, F - = 10 ; S O 4 2 - = 100 ; N O 3 - = 50 . The anion/anions that make/makes
  20. 20Drained sewage has B.O.D.
  21. 21Which of the following are common components of photochemical smog? 1 . Chlorofluorocarbons 2 . Acrolein 3 . Ozone 4 . Peroxyacetyl nitrate

Frequently Asked Questions

1.How many questions are available for Environmental Chemistry?

This chapter includes 21 NTA Abhyas (JEE Main) questions.

2.Are these questions only from NTA Abhyas (JEE Main), or from other exams too?

These are NTA Abhyas (JEE Main) questions specifically for the Environmental Chemistry chapter. Questions from other exams like JEE Main or JEE Advanced are organised separately under their respective exam sections.

3.What is the difficulty level of Environmental Chemistry questions in NTA Abhyas (JEE Main)?

Of the 21 questions analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2026 had the most, with 0 questions.

4.Which topics in Environmental Chemistry should I focus on?

All of this chapter's questions come from a single topic: Uncategorized.