Impurities in paper absorb SO2, converting it into

H2S
H2SO4
Lead
PAN
H2SO4  

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What is concentration of carbon dioxide in atmosphere?
A. 650ppm
B. 350ppm
C. 450ppm
D. 950ppm
How many types of inversion?
A. 2
B. 4
C. 5
D. 3
Smoke is formed by incomplete combustion of;
A. Inorganic particles
B. Organic particles
C. Dust particles
D. Fumes
HCs are thermodynamically not stable towards
A. Acidification
B. Decomposition
C. Reduction
D. Oxidation
Air borne substances causes allergies are known as
A. Lung disease
B. Asthma
C. Flocculation
D. Aeroallergens
In humans fine particles, penetrate deep into the
A. Brain
B. Heart
C. Lungs
D. Skin
Effect of O3 in plants, involve:
A. Stomata burning
B. Oxidizing burning
C. Reduced survival
D. All of above

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