NEET Chemistry is the scoring paper in the medical entrance examination. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Chemistry objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Chemistry Environmental Chemistry Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.
MCQs on Environmental Chemistry
1. Photochemical smog normally does not contain
(a) Chlorofluorocarbons
(b) Peroxyacetyl nitrate
(c) Ozone
(d) Acrolein
Answer
Answer: (a)
2. Depletion of the ozone layer is caused due to
(a) Ferrocene
(b) Fullerenes
(c) Freons
(d) Polyhalogens
Answer
Answer: (c)
3. Find the incorrect statement
(a) BOD value of clean water is less than 5 ppm
(b) Drinking water pH should be between 5.5-9.5
(c) carbon, sulphur and nitrogen oxides are the most widespread air pollutants
(d) dissolved oxygen concentration below 5 ppm is ideal for the growth of fish
Answer
Answer: (d)
4. Find the secondary pollutant among these
(a) PAN
(b) N2O
(c) SO2
(d) CO2
Answer
Answer: (a)
5. The reaction responsible for the radiant energy of the Sun is
(a) nuclear fission
(b) nuclear fusion
(c) chemical reaction
(d) combustion
Answer
Answer: (b)
6. Alum’s capacity to purify water is due to
(a) softens hard water
(b) pathogenic bacteria get destroyed
(c) impurities’ coagulation
(d) it improves taste
Answer
Answer: (c)
7. The coldest region of the atmosphere
(a) Troposphere
(b) Thermosphere
(c) Stratosphere
(d) Mesosphere
Answer
Answer: (d)
8. Which of the oxide of nitrogen is not a common pollutant?
(a) N2O5
(b) N2O
(c) NO
(d) NO2
Answer
Answer: (a)
9. The compound essential for the process of photosynthesis has this element
(a) Ca
(b) Ba
(c) Fe
(d) Mg
Answer
Answer: (d)
10. In the air, N2 and O2 occur naturally but they do not react to form oxides of nitrogen because
(a) oxides of nitrogen are unstable
(b) catalyst is required for the reaction
(c) the reaction is endothermic
(d) N2 and O2 do not react with each other
Answer
Answer: (c)