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

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
by

1 Answer

Answer :

(B) Bronchitis
by

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Description : On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because (A) Of clotting of blood (B) Of jamming of respiratory tract (C) It forms carboxyhemoglobin by combining ... it incapable of absorbing oxygen (D) It forms CO2 by combining with oxygen present in the blood

Last Answer : (C) It forms carboxyhemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen

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TLV of ozone (O3 ) and phosgene (COCl2 ) in air is __________ ppm. (A) 0.1 (B) 25 (C) 100(D) 1000

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TLV of lead for public sewer/waste water is about __________ ppm. (A) 1 (B) 25 (C) 150 (D) 650

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Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyll and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) (A) Acts as a green house gas thereby raising earth's temperature (B) Causes asphyxia (C) Causes increase in sea level (D) Enhances the green house effect

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What is the total number of nitrogen atoms in 0.25 mole of NO2 gas?

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