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T. L. V. (Threshold Limit Value) of methyl isocyanate responsible for Bhopal gas tragedy is
Options
(a) 0.002 ppm
(b) 0.02 ppm
(c) 0.2 ppm
(d) 0.005 ppm
Correct Answer:
0.02 ppm
Explanation:
Methyl isocyanate is a volatile, toxic chemical used to manufacture carbamate pesticides. Bhopal gas tragedy (3rd Dec. 1984) is a case of air pollution in which MIC (Methyl Isocyanate) gas released from a fertilizer manufacturing plant of Union Carbide caused death of approximately 2500 persons. MIC causes irritation in eyes which may result in blindness, various lung diseases may result in death. Workers exposed to the MIC 8-hour threshold limit value of 0.02 ppm (46 μg/m³) are exposed to approximately 460 mg MIC in a workday.
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Topics: Conservation and Environmental Issues
(111)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which was the first national park established in India?
- In Eichhornia parenchyma developes air space,such parenchyma with air cavities
- Plants reproducing by spores such as mosses and ferns are grouped under
- Removal of proximal convoluted tubule from the nephron will result in:
- Phytoplanktons are dominant in which of the following zone?
Topics: Conservation and Environmental Issues (111)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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