Environmental Chemistry

JEE Main Chemistry · 22 questions · not in the 2024+ syllabus

All questions, latest first

• The possibility of photochemical smog formation will be minimum at202315 April, Shift 1 · Q71
• Which of the following are the Green house gases? A. Water vapour B. Ozone C. I_2 D. Molecular hydrogen Choose the most…202313 April, Shift 2 · Q71
• The radical which mainly causes ozone depletion in the presence of UV radiations is:202313 April, Shift 1 · Q72
• Match List I with List II Choose the correct answer from the options given below:202312 April, Shift 1 · Q73
• Given below are two statements: Statement I: If BOD is 4 ppm and dissolved oxygen is 8 ppm, then it is a good quality water.…202311 April, Shift 1 · Q71
• The delicate balance of CO_2 and O_2 is NOT disturbed by202310 April, Shift 2 · Q71
• Match List I with List II Choose the correct answer from the options given below:202310 April, Shift 1 · Q70
• Which of these reactions is not a part of breakdown of ozone in stratosphere?20238 April, Shift 2 · Q70
• Match List I with List II: Choose the correct answer from the options given below:20238 April, Shift 1 · Q71
• The group of chemicals used as pesticide is20236 April, Shift 2 · Q71
• The possibility of photochemical smog formation is more at20236 April, Shift 1 · Q71
• The industrial activity held least responsible for global warming is:20231 February, Shift 2 · Q41
• How can photochemical smog be controlled?20231 February, Shift 1 · Q41
• The normal rain water is slightly acidic and its pH value is 5.6 because of which one of the following?202331 January, Shift 2 · Q40
• Identify X, Y and Z in the following reaction. (Equation not balanced) Cl O^ +NO_2 → X →H_2 O Y+ Z202331 January, Shift 1 · Q41
• The water quality of a pond was analysed and its BOD was found to be 4. The pond has202330 January, Shift 2 · Q41
• Formation of photochemical smog involves the following reaction in which A, B and C are respectively. i. NO_2 → h ν A+B ii. B+O_2…202330 January, Shift 1 · Q50
• The concentration of dissolved Oxygen in water for growth of fish should be more than X ppm and Biochemical Oxygen Demand in…202329 January, Shift 2 · Q41
• Correct statement about smog is:202329 January, Shift 1 · Q41
• A. Ammonium salts produce haze in atmosphere. B. Ozone gets produced when atmospheric oxygen reacts with chlorine radicals. C.…202325 January, Shift 2 · Q41
• Some reactions of NO_2 relevant to photochemical smog formation are Identify A, B, X and Y202325 January, Shift 1 · Q40
• Correct statement is:202324 January, Shift 2 · Q41