TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectivel – McqOptions

MCQOPTIONS

1.	TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes
A.	skin disorder
B.	bronchitis
C.	bone disease
D.	cancer
Answer» C. bone disease

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