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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