Which of the following plants does not emit appreciable amount of SO2 in atmosphere ?

Related Mcqs:

1. Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?

   A. CO B. SO2 C. NOx D. CFC (chloro fluoro carbons)...

2. _____________ plant emits large amount of SO2 as an air pollutant?

   A. Nitric acid B. Sulphuric acid C. Chlor alkali D. Iron & steel...

3. The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the_________________?

   A. Ionosphere B. Troposphere C. Stratosphere D. None of these...

4. Which of the following is an adsorbent used for the removal of SO2 from gas/air ?

   A. Bog iron B. Limestone powder or alkalised alumina C. Silica gel D. Active carbon...

5. Green house gases blanket/block the infrared radiation from earth’s surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect ?

   A. CO2 B. H2 C. SO3 D. N2...

6. When the concentration of SO2 in air is greater than ______________ ppm, it gives a pungent smell?

   A. 0.01 B. 0.1 C. 1 D. 4...

7. Exposure to SO2 containing chimney gases results in the__________________?

   A. Reduction in strength of leather & cloth B. Acceleration of corrosion rates of metals C. Increased drying & hardening time of paints D. All A., B. and C....

8. Death may occur, when SO2 concentration in atmospheric air exceeds ______________ ppm?

   A. 20 B. 100 C. 400 D. 200...

9. Pollution by particulate matter emission in the atmosphere does not take place during metal____________________?

   A. Grinding B. Machining C. Cutting D. Polishing...

10. A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of _____________ high above earth’s atmosphere, which absorbs it?

    A. Hydrogen B. Carbon dioxide C. Ozone D. None of these...